Cloud Checklist~2.xlsx

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40DHHS-S3547
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Churchill County, Nevada

About this file

This is a Cloud Checklist and Cloud Services Assessment Worksheet developed by the Center for Internet Security (CIS) and modified for use by the State of Nevada through the Nevada Office of Information Security. The document serves as a comprehensive security compliance tool based on CIS Controls Version 7, designed to guide state agencies in evaluating and implementing cloud security best practices. Rather than requesting specific products or services, this resource provides a standardized framework for assessing cloud environments across four service models (IaaS, PaaS, SaaS, and FaaS) and five deployment models (on-premises private cloud, third-party hosted private cloud, community cloud, public cloud, and hybrid cloud). The assessment worksheet maps 20 primary CIS Controls and their corresponding sub-controls to specific cloud service responsibilities, identifying whether the cloud service provider (CSP) or the agency bears responsibility for implementation. Additionally, the document includes 11 supplemental Nevada-specific questions addressing data segregation, residency, physical security, intellectual property rights, and end-of-service data handling requirements.

The assessment tool does not involve pricing terms, set-asides, or incumbents, as it functions as a security evaluation framework rather than a procurement instrument. State agencies are instructed to download and customize the spreadsheet for their specific cloud services projects, filter controls based on information risk levels (Low, Medium, or High), and select appropriate cloud service types to determine applicable security requirements. The worksheet incorporates the shared security responsibility model inherent to cloud environments, emphasizing that agencies must understand service-level agreements and legal contracts with CSPs regarding liability, breach disclosure, incident response timeframes, and security obligations. The document is classified as Confidential under Nevada Revised Statutes 242.105 and is not subject to public disclosure or records requests. Organizations using this tool are required to maintain current guidance by referring to the official CIS Controls website and can integrate additional controls or columns as needed to align with specific regulatory, compliance, or operational requirements.

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Introduction

CIS Controls Cloud Companion Guide

Be sure to download our PDF with details around each CIS Control and Sub-Control

Introduction

The CIS Controls™ are a prioritized set of actions that collectively form a defense-in-depth set of best practifces that mitigate the most common attacks against systems and networks. The CIS Controls are developed by a community of IT experts who apply their first-hand experience as cyber defenders to create these globally accepted security best practices. The experts who develop the CIS Controls come from a wide range of sectors including, retail, manufacturing, healthcare, education, government, defense, and others. So, while the CIS Controls address the general practices that most organizations should take to secure their systems, some operational environments may present unique requirements not addressed by the CIS Controls.

We are at a fascinating point in the evolution of what we now call cyber defense. To help us understand the cyber threat, we have seen the emergence of threat information feeds, reports, tools, alert services, standards, and threat-sharing frameworks. To top it all off, we are surrounded by security requirements, risk management frameworks, compliance regimes, regulatory mandates, and so forth. There is no shortage of information available to security practitioners on what they should do to secure their infrastructure. But all of this technology, information, and oversight has become a veritable “Fog of More” – competing options, priorities, opinions, and claims that can paralyze or distract an enterprise from vital action. Business complexity is growing, dependencies are expanding, users are becoming more mobile, and the threats are evolving. New technology brings us great benefits, but it also means that our data and applications are distributed across multiple locations, many of which are not within our organization’s infrastructure.

Rather than chase every new exceptional threat and neglect the fundamentals, how can we get on track with a roadmap of fundamentals and guidance for measures and improve? How can we get on track with a roadmap of fundamentals, and guidance to measure and improve cloud security? Which CIS Controls and defensive steps are applicable and have the greatest value?

The CIS Controls started as a grassroots activity to cut through the "Fog of More" and focus on the most fundamental and valuable actions that every enterprise should take. This companion guide will break down and map the applicable Controls and their implementation for the cloud environment. As the CIS Controls continue to be refined and re-worked through the community, the call for this CIS Controls Guidance for the cloud was identified as one of the high priority companion documents to be developed.

While many of the core security concerns of enterprise Information Technology (IT) systems are shared within cloud environments, the main challenge in applying best practices is tied to the fact that these systems typically operate software and hardware under different assumed security responsibilities. Ensuring and understanding that the service-level agreements (SLAs) and Legal Contracts with the Cloud Service Provider (CSP) highlight liability, service levels, breach disclosure, and incident response timeframes is an important piece of your cloud security. The shared security responsibility, as well as the specific cloud services and deployment models utilized, changes who handles the security requirements and whom the assumed security risk resides with. CSPs are constantly adding new functional services along with configuration and security tools to better manage them at a very rapid pace. As new tools become available, the cloud consumer should consider a hybrid approach using third-party tools along with CSP native security tools that best fit an organization's security and management needs. Company management processes should ensure there is overlap rather than gaps in coverage between native and third-party tools.
A cloud environment has four distinct service models that the application or service can fall under:
· IaaS (Infrastructure as a Service) is a cloud environment that computing resources such as virtual servers, storage, and networking hardware. The consumer utilizes their own software such as operating systems, middleware, and applications. The underlying cloud infrastructure is managed by the CSP.
· PaaS (Platform as a Service) is a cloud computing environment for development and management of a consumer’s applications. It includes the infrastructure hardware: virtual servers, storage, and networking while tying in the middleware and development tools to allow the consumer to deploy their applications. It is designed to support the complete application lifecycle while leaving the management of the underlying infrastructure to the CSP.
· SaaS (Software as a Service) is a cloud computing software solution that provides the consumer with access to a complete software product. The software application resides on a cloud environment and is accessed by the consumer through the web or an application program interface (API). The consumer can utilize the application to store and analyze data without having to worry about managing the infrastructure, service, or software, as that falls to the CSP.
· FaaS (Function as a Service) is a cloud computing service that allows the consumer to develop, manage, and run their application functionalities without having to manage and maintain any of the infrastructure that is required. The consumer can execute code in response to events that happen within the CSP or the application without having to build out or maintain a complex underlying infrastructure.
To complicate things even more, a cloud environment has multiple deployment models:
· Private cloud (on-prem) consists of all the computing resources being hosted and used exclusively by one consumer (organization) within its own offices and data centers. The consumer is responsible for the operational costs, hardware, software, and the resources required to build and maintain the infrastructure. This is best used for critical business operations and applications that require complete control and configurability.
· Private cloud (third-party hosted) is a private cloud that is hosted by an external third party provider. The third party provides an exclusive cloud environment for the consumer and manages the hardware. All costs associated with the maintenance is the responsibility of the consumer.
· Community cloud (shared) is a deployment solution where the computing resources and infrastructure are shared between several organizations. The resources can be managed internally or by a third party and they can be hosted on-prem or externally. The organizations share the cost and often have similar cloud security requirements and business objectives.
· Public cloud is an infrastructure and computing services hosted by a third party company defined as a CSP. It is available over the internet and the services are delivered through a self-service portal. The consumer is provided on-demand accessibility and scalability without the high overhead cost of maintaining the physical hardware and software. The CSP is responsible for the management and maintenance of the system while the consumer pays only for resources they use.
· Hybrid cloud is an environment that uses a combination of the three cloud deployment models, private cloud (on-prem), private cloud (third- party hosted), and public cloud with an orchestration service between the three deployment models.
These are the kinds of issues that led to and now drive the CIS Controls Cloud Companion Guide, https://www.cisecurity.org/resources/white-papers/?o=controls.

How to Use This Document

In this document, we provide guidance on how to apply the security best practices found in CIS Controls Version 7 to any cloud environment from the consumer/customer perspective. For each top-level CIS Control, there is a brief discussion of how to interpret and apply the CIS Control in such environments, along with any unique considerations or differences from common IT environments.

The applicability of specific CIS Controls and CIS Sub-Controls is addressed, and additional steps needed in any cloud environment are explained, based on the individual service models. Throughout this document, we take into consideration the unique mission/business requirements found in cloud environments, as well as the unique risks (vulnerabilities, threats, consequences, and security responsibilities), which in turn drive the priority of the security requirements (e.g., availability, integrity, and confidentiality of process data).

By walking through CIS Controls Version 7 with this companion guide, the reader should be able to tailor the CIS Controls in the context of a specific IT/OT cloud enterprise as an essential starting point for a security improvement assessment and roadmap.
Contact Information
CIS
31 Tech Valley Drive
East Greenbush, NY 12061
518.266.3460
controlsinfo@cisecurity.org

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The Center for Internet Security, Inc.

(CIS) is a 501(c)(3) nonprofit organization whose mission is to identify, develop, validate, promote, and sustain best practices in cybersecurity; deliver world-class cybersecurity solutions to prevent and rapidly respond to cyber incidents;

and build and lead communities to enable an environment of trust in cyberspace.

For additional information, go to https://www.cisecurity.org/ https://www.cisecurity.org/resources/white-papers/?o=controls License for Use

License for Use
This work is licensed under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 International Public License (the link can be found at https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode

To further clarify the Creative Commons license related to the CIS ControlsTM content, you are authorized to copy and redistribute the content as a framework for use by you, within your organization and outside of your organization for non-commercial purposes only, provided that (i) appropriate credit is given to CIS, and (ii) a link to the license is provided. Additionally, if you remix, transform or build upon the CIS Controls, you may not distribute the modified materials. Users of the CIS Controls framework are also required to refer to (http://www.cisecurity.org/controls/) when referring to the CIS Controls in order to ensure that users are employing the most up-to-date guidance. Commercial use of the CIS Controls is subject to the prior approval of CIS® (Center for Internet Security, Inc.).

This spreadsheet has been modified for use in the State of Nevada by the Nevada Office of Information Security. Permission was obtained from CIS for these modifications and use.

This spreadsheet and the responses provided are classified Confidential under NRS 242.105, and are not subject to disclosure or public records requests.

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Instructions for Use

State Agencies

Download a copy of the spreadsheet and rename it to the name of the agency cloud services project.

Filter the controls based on the risk level of the information being used in the cloud, including all lower risk levels. For example, a Medium risk project would include Medium and Low risk controls.

Select the type of cloud service being considered, and filter the controls to exclude the controls for which the agency is responsible. Optionally, hide the other cloud service columns.

Review the controls to ensure they not only are applicable to the project, but that they also reflect any other applicable regulatory requirements for cloud services. Agencies are free to add additional controls or columns as needed to work with this tool.

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Applicability Overview Applicability Overview for each Service Model

Legend
HighMore than 60% of CIS Sub-Controls apply
LowBetween 0% and 60% of the CIS Sub-Controls apply
NoneNo CIS Sub-Controls apply
ControlControl TitleIaaSPaaSSaaSFaaS
1Inventory and Control of Hardware AssetsHighHighLowLow
2Inventory and Control of Software AssetsHighHighLowLow
3Continuous Vulnerability ManagementHighHighNoneNone
4Controlled Use of Administrative PrivilegesHighHighHighHigh
5Secure Configuration for Hardware and Software on Mobile Devices, Laptops, Workstations and ServersHighLowLowLow
6Maintenance, Monitoring and Analysis of Audit LogsHighHighHighHigh
7EmailHighHighLowLow
8Malware DefensesHighHighNoneNone
9Limitation and Control of Network Ports, Protocols, and ServicesHighHighHighLow
10Data Recovery CapabilitiesHighHighHighHigh
11Secure Configuration for Network Devices, such as Firewalls, Routers and SwitchesHighLowNoneNone
12Boundary DefenseHighLowNoneNone
13Data ProtectionHighLowLowLow
14Controlled Access Based on the Need to KnowHighLowLowLow
15Wireless Access ControlNoneNoneNoneNone
16Account Monitoring and ControlHighHighHighHigh
17Implement a Security Awareness and Training ProgramHighHighHighHigh
18Application Software SecurityHighHighHighLow
19Incident Response and ManagementHighHighHighHigh
20Penetration Teses and Red Team ExercisesHighHighHighHigh

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All CIS Controls & Sub-Controls

1Inventory and Control of Hardware Assets
Actively manage (inventory, track, and correct) all hardware devices on the network so that only authorized devices are given
access, and unauthorized and unmanaged devices are found and prevented from gaining access.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
11.1DevicesIdentifyUtilize an Active Discovery ToolUtilize an active discovery tool to identify devices connected to the organization's network and update the hardware asset inventory.@@MediumAgencyAgencyCSPCSP
11.2DevicesIdentifyUse a Passive Asset Discovery ToolUtilize a passive discovery tool to identify devices connected to the organization's network and automatically update the organization's hardware asset inventory.@HighAgencyAgencyCSPCSP
11.3DevicesIdentifyUse DHCP Logging to Update Asset InventoryUse Dynamic Host Configuration Protocol (DHCP) logging on all DHCP servers or IP address management tools to update the organization's hardware asset inventory.@@MediumAgencyAgencyCSPCSP
11.4DevicesIdentifyMaintain Detailed Asset InventoryMaintain an accurate and up-to-date inventory of all technology assets with the potential to store or process information. This inventory shall include all hardware assets, whether connected to the organization's network or not.@@@LowAgencyAgencyCSPCSP
11.5DevicesIdentifyMaintain Asset Inventory InformationEnsure that the hardware asset inventory records the network address, hardware address, machine name, data asset owner, and department for each asset and whether the hardware asset has been approved to connect to the network.@@MediumAgencyAgencyCSPCSP
11.6DevicesRespondAddress Unauthorized AssetsEnsure that unauthorized assets are either removed from the network, quarantined, or the inventory is updated in a timely manner.@@@LowAgencyAgencyCSPCSP
11.7DevicesProtectDeploy Port Level Access ControlUtilize port level access control, following 802.1x standards, to control which devices can authenticate to the network. The authentication system shall be tied into the hardware asset inventory data to ensure only authorized devices can connect to the network.@@MediumAgencyAgencyCSPCSP
11.8DevicesProtectUtilize Client Certificates to Authenticate Hardware AssetsUse client certificates to authenticate hardware assets connecting to the organization's trusted network.@HighAgencyCSPAgencyAgency
2Inventory and Control of Software Assets
Actively manage (inventory, track, and correct) all software on the network so that only authorized software is installed and can
execute, and that unauthorized and unmanaged software is found and prevented from installation or execution.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
22.1ApplicationsIdentifyMaintain Inventory of Authorized SoftwareMaintain an up-to-date list of all authorized software that is required in the enterprise for any business purpose on any business system.@@@LowAgencyAgencyAgencyAgency
22.2ApplicationsIdentifyEnsure Software is Supported by VendorEnsure that only software applications or operating systems currently supported and receiving vendor updates are added to the organization's authorized software inventory. Unsupported software should be tagged as unsupported in the inventory system.@@@LowAgencyAgencyAgencyCSP
22.3ApplicationsIdentifyUtilize Software Inventory ToolsUtilize software inventory tools throughout the organization to automate the documentation of all software on business systems.@@MediumAgencyAgencyCSPCSP
22.4ApplicationsIdentifyTrack Software Inventory InformationThe software inventory system should track the name, version, publisher, and install date for all software, including operating systems authorized by the organization.@@MediumAgencyAgencyAgencyCSP
22.5ApplicationsIdentifyIntegrate Software and Hardware Asset InventoriesThe software inventory system should be tied into the hardware asset inventory so all devices and associated software are tracked from a single location.@HighAgencyAgencyCSPCSP
22.6ApplicationsRespondAddress unapproved softwareEnsure that unauthorized software is either removed or the inventory is updated in a timely manner@@@LowAgencyAgencyCSPCSP
22.7ApplicationsProtectUtilize Application WhitelistingUtilize application whitelisting technology on all assets to ensure that only authorized software executes and all unauthorized software is blocked from executing on assets.@HighAgencyCSPCSPCSP
22.8ApplicationsProtectImplement Application Whitelisting of LibrariesThe organization's application whitelisting software must ensure that only authorized software libraries (such as *.dll, *.ocx, *.so, etc.) are allowed to load into a system process.@HighAgencyCSPCSPCSP
22.9ApplicationsProtectImplement Application Whitelisting of ScriptsThe organization's application whitelisting software must ensure that only authorized, digitally signed scripts (such as *.ps1, *.py, macros, etc.) are allowed to run on a system.@HighAgencyCSPCSPCSP
22.10ApplicationsProtectPhysically or Logically Segregate High Risk ApplicationsPhysically or logically segregated systems should be used to isolate and run software that is required for business operations but incurs higher risk for the organization.@HighAgencyCSPCSPCSP
3Continuous Vulnerability Management
Continuously acquire, assess, and take action on new information in order to identify vulnerabilities, remediate, and minimize
the window of opportunity for attackers.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
33.1ApplicationsDetectRun Automated Vulnerability Scanning ToolsUtilize an up-to-date Security Content Automation Protocol (SCAP) compliant vulnerability scanning tool to automatically scan all systems on the network on a weekly or more frequent basis to identify all potential vulnerabilities on the organization's systems.@@MediumAgencyAgencyCSPCSP
33.2ApplicationsDetectPerform Authenticated Vulnerability ScanningPerform authenticated vulnerability scanning with agents running locally on each system or with remote scanners that are configured with elevated rights on the system being tested.@@MediumAgencyAgencyCSPCSP
33.3UsersProtectProtect Dedicated Assessment AccountsUse a dedicated account for authenticated vulnerability scans, which should not be used for any other administrative activities and should be tied to specific machines at specific IP addresses.@@MediumAgencyAgencyCSPCSP
33.4ApplicationsProtectDeploy Automated Operating System Patch Management ToolsDeploy automated software update tools in order to ensure that the operating systems are running the most recent security updates provided by the software vendor.@@@LowAgencyAgencyCSPCSP
33.5ApplicationsProtectDeploy Automated Software Patch Management ToolsDeploy automated software update tools in order to ensure that third-party software on all systems is running the most recent security updates provided by the software vendor.@@@LowAgencyAgencyCSPCSP
33.6ApplicationsRespondCompare Back-to-Back Vulnerability ScansRegularly compare the results from consecutive vulnerability scans to verify that vulnerabilities have been remediated in a timely manner.@@MediumAgencyAgencyCSPCSP
33.7ApplicationsRespondUtilize a Risk-Rating ProcessUtilize a risk-rating process to prioritize the remediation of discovered vulnerabilities.@@MediumAgencyAgencyCSPCSP
4Controlled Use of Administrative Privileges
The processes and tools used to track/control/prevent/correct the use, assignment, and configuration of administrative
privileges on computers, networks, and applications.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
44.1UsersDetectMaintain Inventory of Administrative AccountsUse automated tools to inventory all administrative accounts, including domain and local accounts, to ensure that only authorized individuals have elevated privileges.@@MediumAgencyAgencyAgencyAgency
44.2UsersProtectChange Default PasswordsBefore deploying any new asset, change all default passwords to have values consistent with administrative level accounts.@@@LowAgencyAgencyAgencyAgency
44.3UsersProtectEnsure the Use of Dedicated Administrative AccountsEnsure that all users with administrative account access use a dedicated or secondary account for elevated activities. This account should only be used for administrative activities and not internet browsing, email, or similar activities.@@@LowAgencyAgencyAgencyAgency
44.4UsersProtectUse Unique PasswordsWhere multi-factor authentication is not supported (such as local administrator, root, or service accounts), accounts will use passwords that are unique to that system.@@MediumAgencyAgencyAgencyAgency
44.5UsersProtectUse Multi-Factor Authentication for All Administrative AccessUse multi-factor authentication and encrypted channels for all administrative account access.@@MediumAgencyAgencyAgencyAgency
44.6UsersProtectUse Dedicated Workstations For All Administrative TasksEnsure administrators use a dedicated machine for all administrative tasks or tasks requiring administrative access. This machine will be segmented from the organization's primary network and not be allowed Internet access. This machine will not be used for reading e-mail, composing documents, or browsing the Internet.@@MediumAgencyAgencyAgencyAgency
44.7UsersProtectLimit Access to Script ToolsLimit access to scripting tools (such as Microsoft® PowerShell and Python) to only administrative or development users with the need to access those capabilities.@@MediumAgencyAgencyCSPCSP
44.8UsersDetectLog and Alert on Changes to Administrative Group MembershipConfigure systems to issue a log entry and alert when an account is added to or removed from any group assigned administrative privileges.@@MediumAgencyAgencyAgencyAgency
44.9UsersDetectLog and Alert on Unsuccessful Administrative Account LoginConfigure systems to issue a log entry and alert on unsuccessful logins to an administrative account.@@MediumAgencyAgencyAgencyAgency
5Secure Configuration for Hardware and Software on Mobile Devices, Laptops, Workstations and Servers
Establish, implement, and actively manage (track, report on, correct) the security configuration of mobile devices, laptops,
servers, and workstations using a rigorous configuration management and change control process in order to prevent attackers
from exploiting vulnerable services and settings.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
55.1ApplicationsProtectEstablish Secure ConfigurationsMaintain documented security configuration standards for all authorized operating systems and software.@@@LowAgencyAgencyAgencyAgency
55.2ApplicationsProtectMaintain Secure ImagesMaintain secure images or templates for all systems in the enterprise based on the organization's approved configuration standards. Any new system deployment or existing system that becomes compromised should be imaged using one of those images or templates.@@MediumAgencyCSPCSPCSP
55.3ApplicationsProtectSecurely Store Master ImagesStore the master images and templates on securely configured servers, validated with integrity monitoring tools, to ensure that only authorized changes to the images are possible.@@MediumAgencyCSPCSPCSP
55.4ApplicationsProtectDeploy System Configuration Management ToolsDeploy system configuration management tools that will automatically enforce and redeploy configuration settings to systems at regularly scheduled intervals.@@MediumAgencyCSPCSPCSP
55.5ApplicationsDetectImplement Automated Configuration Monitoring SystemsUtilize a Security Content Automation Protocol (SCAP) compliant configuration monitoring system to verify all security configuration elements, catalog approved exceptions, and alert when unauthorized changes occur.@@MediumAgencyAgencyCSPCSP
6Maintenance, Monitoring and Analysis of Audit Logs
Collect, manage, and analyze audit logs of events that could help detect, understand, or recover from an attack.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
66.1NetworkDetectUtilize Three Synchronized Time SourcesUse at least three synchronized time sources from which all servers and network devices retrieve time information on a regular basis so that timestamps in logs are consistent.@@MediumAgencyAgencyCSPCSP
66.2NetworkDetectActivate Audit LoggingEnsure that local logging has been enabled on all systems and networking devices.@@@LowAgencyAgencyCSPCSP
66.3NetworkDetectEnable Detailed LoggingEnable system logging to include detailed information such as a event source, date, user, timestamp, source addresses, destination addresses, and other useful elements.@@MediumAgencyAgencyAgencyAgency
66.4NetworkDetectEnsure Adequate Storage for LogsEnsure that all systems that store logs have adequate storage space for the logs generated.@@MediumAgencyAgencyAgencyAgency
66.5NetworkDetectCentral Log ManagementEnsure that appropriate logs are being aggregated to a central log management system for analysis and review.@@MediumAgencyAgencyAgencyAgency
66.6NetworkDetectDeploy SIEM or Log Analytic ToolsDeploy Security Information and Event Management (SIEM) or log analytic tool for log correlation and analysis.@@MediumAgencyAgencyAgencyAgency
66.7NetworkDetectRegularly Review LogsOn a regular basis, review logs to identify anomalies or abnormal events.@@MediumAgencyAgencyAgencyAgency
66.8NetworkDetectRegularly Tune SIEMOn a regular basis, tune your SIEM system to better identify actionable events and decrease event noise.@HighAgencyAgencyAgencyAgency
7Email and Web Browser Protections
Minimize the attack surface and the opportunities for attackers to manipulate human behavior though their interaction with web
browsers and email systems.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
77.2ApplicationsProtectDisable Unnecessary or Unauthorized Browser or Email Client PluginsUninstall or disable any unauthorized browser or email client plugins or add-on applications.@@MediumAgencyAgencyAgencyAgency
77.3ApplicationsProtectLimit Use of Scripting Languages in Web Browsers and Email ClientsEnsure that only authorized scripting languages are able to run in all web browsers and email clients.@@MediumAgencyAgencyAgencyAgency
77.4NetworkProtectMaintain and Enforce Network-Based URL FiltersEnforce network-based URL filters that limit a system's ability to connect to websites not approved by the organization. This filtering shall be enforced for each of the organization's systems, whether they are physically at an organization's facilities or not.@@MediumAgencyAgencyCSPCSP
77.5NetworkProtectSubscribe to URL-Categorization ServiceSubscribe to URL-categorization services to ensure that they are up-to-date with the most recent website category definitions available. Uncategorized sites shall be blocked by default.@@MediumAgencyAgencyCSPCSP
77.6NetworkDetectLog All URL requesterLog all URL requests from each of the organization's systems, whether on-site or a mobile device, in order to identify potentially malicious activity and assist incident handlers with identifying potentially compromised systems.@@MediumAgencyAgencyCSPCSP
77.7NetworkProtectUse of DNS Filtering ServicesUse Domain Name System (DNS) filtering services to help block access to known malicious domains.@@@LowAgencyAgencyCSPCSP
77.8NetworkProtectImplement DMARC and Enable Receiver-Side VerificationTo lower the chance of spoofed or modified emails from valid domains, implement Domain-based Message Authentication, Reporting and Conformance (DMARC) policy and verification, starting by implementing the Sender Policy Framework (SPF) and the DomainKeys Identified Mail(DKIM) standards.@@MediumAgencyAgencyCSPCSP
77.9NetworkProtectBlock Unnecessary File TypesBlock all email attachments entering the organization's email gateway if the file types are unnecessary for the organization's business.@@MediumAgencyAgencyCSPCSP
77.10NetworkProtectSandbox All Email AttachmentsUse sandboxing to analyze and block inbound email attachments with malicious behavior.@HighAgencyAgencyCSPCSP
8Malware Defenses
Control the installation, spread, and execution of malicious code at multiple points in the enterprise, while optimizing the use of
automation to enable rapid updating of defense, data gathering, and corrective action.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
88.1DevicesProtectUtilize Centrally Managed Anti-malware SoftwareUtilize centrally managed anti-malware software to continuously monitor and defend each of the organization's workstations and servers.@@MediumAgencyAgencyCSPCSP
88.2DevicesProtectEnsure Anti-Malware Software and Signatures Are UpdatedEnsure that the organization's anti-malware software updates its scanning engine and signature database on a regular basis.@@@LowAgencyAgencyCSPCSP
88.3DevicesProtectEnable Operating System Anti-Exploitation Features/Deploy Anti-Exploit TechnologiesEnable anti-exploitation features such as Data Execution Prevention (DEP) or Address Space Layout Randomization (ASLR) that are available in an operating system or deploy appropriate toolkits that can be configured to apply protection to a broader set of applications and executables.@@MediumAgencyAgencyCSPCSP
88.4DevicesDetectConfigure Anti-Malware Scanning of Removable DevicesConfigure devices so that they automatically conduct an anti-malware scan of removable media when inserted or connected.@@@LowAgencyCSPCSPCSP
88.5DevicesProtectConfigure Devices to Not Auto-Run ContentConfigure devices to not auto-run content from removable media.@@@LowAgencyCSPCSPCSP
88.6DevicesDetectCentralize Anti-Malware LoggingSend all malware detection events to enterprise anti-malware administration tools and event log servers for analysis and alerting.@@MediumAgencyAgencyCSPCSP
88.7NetworkDetectEnable DNS Query LoggingEnable Domain Name System (DNS) query logging to detect hostname lookups for known malicious domains.@@MediumAgencyAgencyCSPCSP
88.8DevicesDetectEnable Command-Line Audit LoggingEnable command-line audit logging for command shells, such as Microsoft PowerShell and Bash.@@MediumAgencyAgencyCSPCSP
9Limitation and Control of Network Ports, Protocols, and Services
Manage (track/control/correct) the ongoing operational use of ports, protocols, and services on networked devices in order to
minimize windows of vulnerability available to attackers.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
99.1DevicesIdentifyAssociate Active Ports, Services, and Protocols to Asset InventoryAssociate active ports, services, and protocols to the hardware assets in the asset inventory.@@MediumAgencyCSPCSPCSP
99.2DevicesProtectEnsure Only Approved Ports, Protocols, and Services Are RunningEnsure that only network ports, protocols, and services listening on a system with validated business needs are running on each system.@@MediumAgencyAgencyAgencyAgency
99.3DevicesDetectPerform Regular Automated Port ScansPerform automated port scans on a regular basis against all systems and alert if unauthorized ports are detected on a system.@@MediumAgencyAgencyAgencyAgency
99.4DevicesProtectApply Host-Based Firewalls or Port-FilteringApply host-based firewalls or port-filtering tools on end systems, with a default-deny rule that drops all traffic except those services and ports that are explicitly allowed.@@@LowAgencyAgencyCSPCSP
99.5DevicesProtectImplement Application FirewallsPlace application firewalls in front of any critical servers to verify and validate the traffic going to the server. Any unauthorized traffic should be blocked and logged.@HighAgencyAgencyAgencyCSP
10Data Recovery Capabilities
The processes and tools used to properly back up critical information with a proven methodology for timely recovery of it.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
1010.2DataProtectPerform Complete System BackupsEnsure that all of the organization's key systems are backed up as a complete system, through processes such as imaging, to enable the quick recovery of an entire system.@@@LowAgencyAgencyCSPCSP
1010.3DataProtectTest Data on Backup MediaTest data integrity on backup media on a regular basis by performing a data restoration process to ensure that the backup is properly working.@@MediumAgencyAgencyAgencyAgency
1010.4DataProtectEnsure Protection of BackupsEnsure that backups are properly protected via physical security or encryption when they are stored, as well as when they are moved across the network. This includes remote backups and cloud services.@@@LowAgencyAgencyAgencyAgency
1010.5DataProtectEnsure All Backups Have at Least One Offline Backup DestinationEnsure that all backups have at least one offline (i.e., not accessible via a network connection) backup destination.@@@LowAgencyAgencyAgencyAgency
11Secure Configuration for Network Devices, such as Firewalls, Routers and Switches
Establish, implement, and actively manage (track, report on, correct) the security configuration of network infrastructure devices
using a rigorous configuration management and change control process in order to prevent attackers from exploiting
vulnerable services and settings.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
1111.2NetworkIdentifyDocument Traffic Configuration RulesAll configuration rules that allow traffic to flow through network devices should be documented in a configuration management system with a specific business reason for each rule, a specific individual’s name responsible for that business need, and an expected duration of the need.@@MediumAgencyAgencyCSPCSP
1111.3NetworkDetectUse Automated Tools to Verify Standard Device Configurations and Detect ChangesCompare all network device configuration against approved security configurations defined for each network device in use, and alert when any deviations are discovered.@@MediumAgencyAgencyCSPCSP
1111.4NetworkProtectInstall the Latest Stable Version of Any Security-Related Updates on All Network DevicesInstall the latest stable version of any security-related updates on all network devices.@@@LowAgencyCSPCSPCSP
1111.5NetworkProtectManage Network Devices Using Multi-Factor Authentication and Encrypted SessionsManage all network devices using multi-factor authentication and encrypted sessions.@@MediumAgencyCSPCSPCSP
1111.6NetworkProtectUse Dedicated Machines For All Network Administrative TasksEnsure network engineers use a dedicated machine for all administrative tasks or tasks requiring elevated access. This machine shall be segmented from the organization's primary network and not be allowed Internet access. This machine shall not be used for reading email, composing documents, or surfing the Internet.@@MediumAgencyCSPCSPCSP
1111.7NetworkProtectManage Network Infrastructure Through a Dedicated NetworkManage the network infrastructure across network connections that are separated from the business use of that network, relying on separate VLANs or, preferably, on entirely different physical connectivity for management sessions for network devices.@@MediumAgencyCSPCSPCSP
12Boundary Defense
Detect/prevent/correct the flow of information transferring networks of different trust levels with a focus on security-damaging
data.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
1212.2NetworkDetectScan for Unauthorized Connections Across Trusted Network BoundariesPerform regular scans from outside each trusted network boundary to detect any unauthorized connections which are accessible across the boundary.@@MediumAgencyCSPCSPCSP
1212.3NetworkProtectDeny Communications With Known Malicious IP AddressesDeny communications with known malicious or unused Internet IP addresses and limit access only to trusted and necessary IP address ranges at each of the organization's network boundaries,.@@MediumAgencyAgencyCSPCSP
1212.4NetworkProtectDeny Communication Over Unauthorized PortsDeny communication over unauthorized TCP or UDP ports or application traffic to ensure that only authorized protocols are allowed to cross the network boundary in or out of the network at each of the organization's network boundaries.@@@LowAgencyAgencyCSPCSP
1212.5NetworkDetectConfigure Monitoring Systems to Record Network PacketsConfigure monitoring systems to record network packets passing through the boundary at each of the organization's network boundaries.@@MediumAgencyCSPCSPCSP
1212.6NetworkDetectDeploy Network-Based IDS SensorsDeploy network-based Intrusion Detection Systems (IDS) sensors to look for unusual attack mechanisms and detect compromise of these systems at each of the organization's network boundaries.@@MediumAgencyCSPCSPCSP
1212.7NetworkProtectDeploy Network-Based Intrusion Prevention SystemsDeploy network-based Intrusion Prevention Systems (IPS) to block malicious network traffic at each of the organization's network boundaries.@HighAgencyCSPCSPCSP
1212.8NetworkDetectDeploy NetFlow Collection on Networking Boundary DevicesEnable the collection of NetFlow and logging data on all network boundary devices.@@MediumAgencyCSPCSPCSP
1212.9NetworkDetectDeploy Application Layer Filtering Proxy ServerEnsure that all network traffic to or from the Internet passes through an authenticated application layer proxy that is configured to filter unauthorized connections.@HighAgencyCSPCSPCSP
1212.10NetworkDetectDecrypt Network Traffic at ProxyDecrypt all encrypted network traffic at the boundary proxy prior to analyzing the content. However, the organization may use whitelists of allowed sites that can be accessed through the proxy without decrypting the traffic.@HighAgencyCSPCSPCSP
1212.11UsersProtectRequire All Remote Login to Use Multi-Factor AuthenticationRequire all remote login access to the organization's network to encrypt data in transit and use multi-factor authentication.@@MediumAgencyCSPCSPCSP
1212.12DevicesProtectManage All Devices Remotely Logging into Internal NetworkScan all enterprise devices remotely logging into the organization's network prior to accessing the network to ensure that each of the organization's security policies has been enforced in the same manner as local network devices.@HighAgencyCSPCSPCSP
13Data Protection
The processes and tools used to prevent data exfiltration, mitigate the effects of exfiltrated data, and ensure the privacy and
integrity of sensitive information.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
1313.2DataProtectRemove Sensitive Data or Systems Not Regularly Accessed by OrganizationRemove sensitive data or systems not regularly accessed by the organization from the network. These systems shall only be used as stand-alone systems (disconnected from the network) by the business unit needing to occasionally use the system or completely virtualized and powered off until needed.@@@LowAgencyAgencyAgencyCSP
1313.3DataDetectMonitor and Block Unauthorized Network TrafficDeploy an automated tool on network perimeters that monitors for unauthorized transfer of sensitive information and blocks such transfers while alerting information security professionals.@HighAgencyAgencyCSPCSP
1313.4DataProtectOnly Allow Access to Authorized Cloud Storage or Email ProvidersOnly allow access to authorized cloud storage or email providers.@@MediumAgencyAgencyCSPCSP
1313.5DataDetectMonitor and Detect Any Unauthorized Use of EncryptionMonitor all traffic leaving the organization and detect any unauthorized use of encryption.@HighAgencyAgencyCSPCSP
1313.6DataProtectEncrypt Mobile Device DataUtilize approved cryptographic mechanisms to protect enterprise data stored on all mobile devices.@@@LowCSPCSPCSPCSP
1313.7DataProtectManage USB DevicesIf USB storage devices are required, enterprise software should be used that can configure systems to allow the use of specific devices. An inventory of such devices should be maintained.@@MediumCSPCSPCSPCSP
1313.8DataProtectManage System's External Removable Media's Read/Write ConfigurationsConfigure systems not to write data to external removable media, if there is no business need for supporting such devices.@HighAgencyCSPCSPCSP
1313.9DataProtectEncrypt Data on USB Storage DevicesIf USB storage devices are required, all data stored on such devices must be encrypted while at rest.@HighCSPCSPCSPCSP
14Controlled Access Based on the Need to Know
The processes and tools used to track/control/prevent/correct secure access to critical assets (e.g., information, resources,
systems) according to the formal determination of which persons, computers, and applications have a need and right to access
these critical assets based on an approved classification.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
1414.2NetworkProtectEnable Firewall Filtering Between VLANsEnable firewall filtering between VLANs to ensure that only authorized systems are able to communicate with other systems necessary to fulfill their specific responsibilities.@@MediumAgencyCSPCSPCSP
1414.3NetworkProtectDisable Workstation to Workstation CommunicationDisable all workstation-to-workstation communication to limit an attacker's ability to move laterally and compromise neighboring systems, through technologies such as Private VLANs or micro segmentation.@@MediumAgencyCSPCSPCSP
1414.4DataProtectEncrypt All Sensitive Information in TransitEncrypt all sensitive information in transit.@@MediumAgencyAgencyAgencyAgency
1414.5DataDetectUtilize an Active Discovery Tool to Identify Sensitive DataUtilize an active discovery tool to identify all sensitive information stored, processed, or transmitted by the organization's technology systems, including those located on-site or at a remote service provider, and update the organization's sensitive information inventory.@HighAgencyCSPCSPCSP
1414.6DataProtectProtect Information Through Access Control ListsProtect all information stored on systems with file system, network share, claims, application, or database specific access control lists. These controls will enforce the principle that only authorized individuals should have access to the information based on their need to access the information as a part of their responsibilities.@@@LowAgencyAgencyAgencyCSP
1414.7DataProtectEnforce Access Control to Data Through Automated ToolsUse an automated tool, such as host-based Data Loss Prevention, to enforce access controls to data even when data is copied off a system.@HighAgencyCSPCSPCSP
1414.8DataProtectEncrypt Sensitive Information at RestEncrypt all sensitive information at rest using a tool that requires a secondary authentication mechanism not integrated into the operating system, in order to access the information.@HighAgencyAgencyCSPCSP
1414.9DataDetectEnforce Detail Logging for Access or Changes to Sensitive DataEnforce detailed audit logging for access to sensitive data or changes to sensitive data (utilizing tools such as File Integrity Monitoring or Security Information and Event Monitoring).@HighAgencyAgencyCSPCSP
15Wireless Access Control
The processes and tools used to track/control/prevent/correct the security use of wireless local area networks (WLANs),
access points, and wireless client systems.
CIS ControlCIS Sub-ControlAsset TypeSecurity FunctionTitleDescriptionIG
1IG
2IG
3RiskIaaSPaaSSaaSFaaSVendor ResponseAgency Notes
1515.2NetworkDetectDetect Wireless Access Points Connected to the Wired NetworkConfigure network vulnerability scanning tools to detect and alert on unauthorized wireless access points connected to the wired network.@@MediumN/AN/AN/AN/A
1515.3NetworkDetectUse a Wireless Intrusion Detection SystemUse a wireless intrusion detection system (WIDS) to detect and alert on unauthorized wireless access points connected to the network.@@MediumN/AN/AN/AN/A
1515.4DevicesProtectDisable Wireless Access on Devices if Not RequiredDisable wireless access on devices that do not have a business purpose for wireless access.@HighN/AN/AN/AN/A
1515.5DevicesProtectLimit Wireless Access on Client DevicesConfigure wireless access on client machines that do have an essential wireless business purpose, to allow access only to authorized wireless networks and to restrict access to other wireless networks.@HighN/AN/AN/AN/A
1515.6DevicesProtectDisable Peer-to-Peer Wireless Network Capabilities on Wireless ClientsDisable peer-to-peer (ad hoc) wireless network capabilities on wireless clients.@@MediumN/AN/AN/AN/A
1515.7NetworkProtectLeverage the Advanced Encryption Standard (AES) to Encrypt Wireless DataLeverage the Advanced Encryption Standard (AES) to encrypt wireless data in transit.@@@LowN/AN/AN/AN/A

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