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NIST · Shared reference library

NIST SP 800-53 Rev. 5 Common Control Library

Browse 1,193 controls and enhancements across 20 security and privacy families. Use the GovRAMP crosswalk to locate controls referenced by Security Snapshot, Core, and Moderate.

A shared catalog supports common-control planning; designation as a common, hybrid, or system-specific control depends on your organization’s implementation and inheritance decisions.

Sources and crosswalk scope

NIST OSCAL content 5.1.1+u4, retrieved 2026-09-18. GovRAMP Snapshot v1.4 and Core selection from Moderate v1.06 reference the December 2020 Rev. 5 text. Mappings establish exact identifier correspondence, not identical requirements, inherited implementation, or GovRAMP authorization. GovRAMP parameters and additional requirements remain authoritative for each program. Full Moderate, High, and other programs are not mapped here. Withdrawn controls are retained for reference.

Official pinned NIST source

SHA-256: 81cf2de45ede9aef3de7ce09d65ea9d32f662c483bbf916f6e346292b22f7763

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12 matching controls · Page 1 of 1

Assessment, Authorization, and Monitoring · Base control

CA-7 · Continuous Monitoring

Control statement and discussion

NIST control statement

Develop a system-level continuous monitoring strategy and implement continuous monitoring in accordance with the organization-level continuous monitoring strategy that includes: a. Establishing the following system-level metrics to be monitored: [Assignment: system-level metrics]; b. Establishing [Assignment: frequencies] for monitoring and [Assignment: frequencies] for assessment of control effectiveness; c. Ongoing control assessments in accordance with the continuous monitoring strategy; d. Ongoing monitoring of system and organization-defined metrics in accordance with the continuous monitoring strategy; e. Correlation and analysis of information generated by control assessments and monitoring; f. Response actions to address results of the analysis of control assessment and monitoring information; and g. Reporting the security and privacy status of the system to [Assignment: organization-defined personnel or roles] [Assignment: organization-defined frequency].

Discussion

Continuous monitoring at the system level facilitates ongoing awareness of the system security and privacy posture to support organizational risk management decisions. The terms "continuous" and "ongoing" imply that organizations assess and monitor their controls and risks at a frequency sufficient to support risk-based decisions. Different types of controls may require different monitoring frequencies. The results of continuous monitoring generate risk response actions by organizations. When monitoring the effectiveness of multiple controls that have been grouped into capabilities, a root-cause analysis may be needed to determine the specific control that has failed. Continuous monitoring programs allow organizations to maintain the authorizations of systems and common controls in highly dynamic environments of operation with changing mission and business needs, threats, vulnerabilities, and technologies. Having access to security and privacy information on a continuing basis through reports and dashboards gives organizational officials the ability to make effective and timely risk management decisions, including ongoing authorization decisions. Automation supports more frequent updates to hardware, software, and firmware inventories, authorization packages, and other system information. Effectiveness is further enhanced when continuous monitoring outputs are formatted to provide information that is specific, measurable, actionable, relevant, and timely. Continuous monitoring activities are scaled in accordance with the security categories of systems. Monitoring requirements, including the need for specific monitoring, may be referenced in other controls and control enhancements, such as [AC-2g](#ac-2_smt.g), [AC-2(7)](#ac-2.7), [AC-2(12)(a)](#ac-2.12_smt.a), [AC-2(7)(b)](#ac-2.7_smt.b), [AC-2(7)(c)](#ac-2.7_smt.c), [AC-17(1)](#ac-17.1), [AT-4a](#at-4_smt.a), [AU-13](#au-13), [AU-13(1)](#au-13.1), [AU-13(2)](#au-13.2), [CM-3f](#cm-3_smt.f), [CM-6d](#cm-6_smt.d), [CM-11c](#cm-11_smt.c), [IR-5](#ir-5), [MA-2b](#ma-2_smt.b), [MA-3a](#ma-3_smt.a), [MA-4a](#ma-4_smt.a), [PE-3d](#pe-3_smt.d), [PE-6](#pe-6), [PE-14b](#pe-14_smt.b), [PE-16](#pe-16), [PE-20](#pe-20), [PM-6](#pm-6), [PM-23](#pm-23), [PM-31](#pm-31), [PS-7e](#ps-7_smt.e), [SA-9c](#sa-9_smt.c), [SR-4](#sr-4), [SC-5(3)(b)](#sc-5.3_smt.b), [SC-7a](#sc-7_smt.a), [SC-7(24)(b)](#sc-7.24_smt.b), [SC-18b](#sc-18_smt.b), [SC-43b](#sc-43_smt.b) , and [SI-4](#si-4).

GovRAMP crosswalk

Program Management · Base control

PM-31 · Continuous Monitoring Strategy

Control statement and discussion

NIST control statement

Develop an organization-wide continuous monitoring strategy and implement continuous monitoring programs that include: a. Establishing the following organization-wide metrics to be monitored: [Assignment: metrics]; b. Establishing [Assignment: monitoring frequencies] and [Assignment: assessment frequencies] for control effectiveness; c. Ongoing monitoring of organizationally-defined metrics in accordance with the continuous monitoring strategy; d. Correlation and analysis of information generated by control assessments and monitoring; e. Response actions to address results of the analysis of control assessment and monitoring information; and f. Reporting the security and privacy status of organizational systems to [Assignment: organization-defined personnel or roles] [Assignment: organization-defined frequency].

Discussion

Continuous monitoring at the organization level facilitates ongoing awareness of the security and privacy posture across the organization to support organizational risk management decisions. The terms "continuous" and "ongoing" imply that organizations assess and monitor their controls and risks at a frequency sufficient to support risk-based decisions. Different types of controls may require different monitoring frequencies. The results of continuous monitoring guide and inform risk response actions by organizations. Continuous monitoring programs allow organizations to maintain the authorizations of systems and common controls in highly dynamic environments of operation with changing mission and business needs, threats, vulnerabilities, and technologies. Having access to security- and privacy-related information on a continuing basis through reports and dashboards gives organizational officials the capability to make effective, timely, and informed risk management decisions, including ongoing authorization decisions. To further facilitate security and privacy risk management, organizations consider aligning organization-defined monitoring metrics with organizational risk tolerance as defined in the risk management strategy. Monitoring requirements, including the need for monitoring, may be referenced in other controls and control enhancements such as, [AC-2g](#ac-2_smt.g), [AC-2(7)](#ac-2.7), [AC-2(12)(a)](#ac-2.12_smt.a), [AC-2(7)(b)](#ac-2.7_smt.b), [AC-2(7)(c)](#ac-2.7_smt.c), [AC-17(1)](#ac-17.1), [AT-4a](#at-4_smt.a), [AU-13](#au-13), [AU-13(1)](#au-13.1), [AU-13(2)](#au-13.2), [CA-7](#ca-7), [CM-3f](#cm-3_smt.f), [CM-6d](#cm-6_smt.d), [CM-11c](#cm-11_smt.c), [IR-5](#ir-5), [MA-2b](#ma-2_smt.b), [MA-3a](#ma-3_smt.a), [MA-4a](#ma-4_smt.a), [PE-3d](#pe-3_smt.d), [PE-6](#pe-6), [PE-14b](#pe-14_smt.b), [PE-16](#pe-16), [PE-20](#pe-20), [PM-6](#pm-6), [PM-23](#pm-23), [PS-7e](#ps-7_smt.e), [SA-9c](#sa-9_smt.c), [SC-5(3)(b)](#sc-5.3_smt.b), [SC-7a](#sc-7_smt.a), [SC-7(24)(b)](#sc-7.24_smt.b), [SC-18b](#sc-18_smt.b), [SC-43b](#sc-43_smt.b), [SI-4](#si-4).

GovRAMP crosswalk

Not selected in the imported Snapshot or Core sets. This does not establish exclusion from other GovRAMP baselines.

System and Services Acquisition · Enhancement

SA-4(9) · Functions, Ports, Protocols, and Services in Use

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Control statement and discussion

NIST control statement

Require the developer of the system, system component, or system service to identify the functions, ports, protocols, and services intended for organizational use.

Discussion

The identification of functions, ports, protocols, and services early in the system development life cycle (e.g., during the initial requirements definition and design stages) allows organizations to influence the design of the system, system component, or system service. This early involvement in the system development life cycle helps organizations avoid or minimize the use of functions, ports, protocols, or services that pose unnecessarily high risks and understand the trade-offs involved in blocking specific ports, protocols, or services or requiring system service providers to do so. Early identification of functions, ports, protocols, and services avoids costly retrofitting of controls after the system, component, or system service has been implemented. [SA-9](#sa-9) describes the requirements for external system services. Organizations identify which functions, ports, protocols, and services are provided from external sources.

GovRAMP crosswalk

System and Services Acquisition · Base control

SA-9 · External System Services

Control statement and discussion

NIST control statement

a. Require that providers of external system services comply with organizational security and privacy requirements and employ the following controls: [Assignment: controls]; b. Define and document organizational oversight and user roles and responsibilities with regard to external system services; and c. Employ the following processes, methods, and techniques to monitor control compliance by external service providers on an ongoing basis: [Assignment: processes, methods, and techniques].

Discussion

External system services are provided by an external provider, and the organization has no direct control over the implementation of the required controls or the assessment of control effectiveness. Organizations establish relationships with external service providers in a variety of ways, including through business partnerships, contracts, interagency agreements, lines of business arrangements, licensing agreements, joint ventures, and supply chain exchanges. The responsibility for managing risks from the use of external system services remains with authorizing officials. For services external to organizations, a chain of trust requires that organizations establish and retain a certain level of confidence that each provider in the consumer-provider relationship provides adequate protection for the services rendered. The extent and nature of this chain of trust vary based on relationships between organizations and the external providers. Organizations document the basis for the trust relationships so that the relationships can be monitored. External system services documentation includes government, service providers, end user security roles and responsibilities, and service-level agreements. Service-level agreements define the expectations of performance for implemented controls, describe measurable outcomes, and identify remedies and response requirements for identified instances of noncompliance.

GovRAMP crosswalk

System and Services Acquisition · Enhancement

SA-9(1) · Risk Assessments and Organizational Approvals

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Control statement and discussion

NIST control statement

(a) Conduct an organizational assessment of risk prior to the acquisition or outsourcing of information security services; and (b) Verify that the acquisition or outsourcing of dedicated information security services is approved by [Assignment: personnel or roles].

Discussion

Information security services include the operation of security devices, such as firewalls or key management services as well as incident monitoring, analysis, and response. Risks assessed can include system, mission or business, security, privacy, or supply chain risks.

GovRAMP crosswalk

System and Services Acquisition · Enhancement

SA-9(2) · Identification of Functions, Ports, Protocols, and Services

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Control statement and discussion

NIST control statement

Require providers of the following external system services to identify the functions, ports, protocols, and other services required for the use of such services: [Assignment: external system services].

Discussion

Information from external service providers regarding the specific functions, ports, protocols, and services used in the provision of such services can be useful when the need arises to understand the trade-offs involved in restricting certain functions and services or blocking certain ports and protocols.

GovRAMP crosswalk

System and Services Acquisition · Enhancement

SA-9(3) · Establish and Maintain Trust Relationship with Providers

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Control statement and discussion

NIST control statement

Establish, document, and maintain trust relationships with external service providers based on the following requirements, properties, factors, or conditions: [Assignment: organization-defined security and privacy requirements, properties, factors, or conditions defining acceptable trust relationships].

Discussion

Trust relationships between organizations and external service providers reflect the degree of confidence that the risk from using external services is at an acceptable level. Trust relationships can help organizations gain increased levels of confidence that service providers are providing adequate protection for the services rendered and can also be useful when conducting incident response or when planning for upgrades or obsolescence. Trust relationships can be complicated due to the potentially large number of entities participating in the consumer-provider interactions, subordinate relationships and levels of trust, and types of interactions between the parties. In some cases, the degree of trust is based on the level of control that organizations can exert on external service providers regarding the controls necessary for the protection of the service, information, or individual privacy and the evidence brought forth as to the effectiveness of the implemented controls. The level of control is established by the terms and conditions of the contracts or service-level agreements.

GovRAMP crosswalk

Not selected in the imported Snapshot or Core sets. This does not establish exclusion from other GovRAMP baselines.

System and Services Acquisition · Enhancement

SA-9(4) · Consistent Interests of Consumers and Providers

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Control statement and discussion

NIST control statement

Take the following actions to verify that the interests of [Assignment: external service providers] are consistent with and reflect organizational interests: [Assignment: actions].

Discussion

As organizations increasingly use external service providers, it is possible that the interests of the service providers may diverge from organizational interests. In such situations, simply having the required technical, management, or operational controls in place may not be sufficient if the providers that implement and manage those controls are not operating in a manner consistent with the interests of the consuming organizations. Actions that organizations take to address such concerns include requiring background checks for selected service provider personnel; examining ownership records; employing only trustworthy service providers, such as providers with which organizations have had successful trust relationships; and conducting routine, periodic, unscheduled visits to service provider facilities.

GovRAMP crosswalk

Not selected in the imported Snapshot or Core sets. This does not establish exclusion from other GovRAMP baselines.

System and Services Acquisition · Enhancement

SA-9(5) · Processing, Storage, and Service Location

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Control statement and discussion

NIST control statement

Restrict the location of [Selection (one-or-more): information processing; information or data; system services] to [Assignment: locations] based on [Assignment: requirements].

Discussion

The location of information processing, information and data storage, or system services can have a direct impact on the ability of organizations to successfully execute their mission and business functions. The impact occurs when external providers control the location of processing, storage, or services. The criteria that external providers use for the selection of processing, storage, or service locations may be different from the criteria that organizations use. For example, organizations may desire that data or information storage locations be restricted to certain locations to help facilitate incident response activities in case of information security incidents or breaches. Incident response activities, including forensic analyses and after-the-fact investigations, may be adversely affected by the governing laws, policies, or protocols in the locations where processing and storage occur and/or the locations from which system services emanate.

GovRAMP crosswalk

System and Services Acquisition · Enhancement

SA-9(6) · Organization-controlled Cryptographic Keys

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Control statement and discussion

NIST control statement

Maintain exclusive control of cryptographic keys for encrypted material stored or transmitted through an external system.

Discussion

Maintaining exclusive control of cryptographic keys in an external system prevents decryption of organizational data by external system staff. Organizational control of cryptographic keys can be implemented by encrypting and decrypting data inside the organization as data is sent to and received from the external system or by employing a component that permits encryption and decryption functions to be local to the external system but allows exclusive organizational access to the encryption keys.

GovRAMP crosswalk

Not selected in the imported Snapshot or Core sets. This does not establish exclusion from other GovRAMP baselines.

System and Services Acquisition · Enhancement

SA-9(7) · Organization-controlled Integrity Checking

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Control statement and discussion

NIST control statement

Provide the capability to check the integrity of information while it resides in the external system.

Discussion

Storage of organizational information in an external system could limit visibility into the security status of its data. The ability of the organization to verify and validate the integrity of its stored data without transferring it out of the external system provides such visibility.

GovRAMP crosswalk

Not selected in the imported Snapshot or Core sets. This does not establish exclusion from other GovRAMP baselines.

System and Services Acquisition · Enhancement

SA-9(8) · Processing and Storage Location — U.S. Jurisdiction

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Control statement and discussion

NIST control statement

Restrict the geographic location of information processing and data storage to facilities located within in the legal jurisdictional boundary of the United States.

Discussion

The geographic location of information processing and data storage can have a direct impact on the ability of organizations to successfully execute their mission and business functions. A compromise or breach of high impact information and systems can have severe or catastrophic adverse impacts on organizational assets and operations, individuals, other organizations, and the Nation. Restricting the processing and storage of high-impact information to facilities within the legal jurisdictional boundary of the United States provides greater control over such processing and storage.

GovRAMP crosswalk

Not selected in the imported Snapshot or Core sets. This does not establish exclusion from other GovRAMP baselines.