NIST SP 800-53A
.pdf
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
FAMILY: AUDIT AND ACCOUNTABILITY |
CLASS: TECHNICAL |
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ASSESSMENT PROCEDURE |
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AU-9 |
PROTECTION OF AUDIT INFORMATION |
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AU-9.1 |
ASSESSMENT OBJECTIVE: |
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Determine if the information system protects audit information and audit tools from |
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unauthorized: |
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access; |
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modification; and |
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deletion. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing protection of audit information; access control policy and procedures; information system design documentation; information system configuration settings and associated documentation, information system audit records; audit tools; other relevant documents or records].
Test: [SELECT FROM: Automated mechanisms implementing audit information protection].
AU-9(1) PROTECTION OF AUDIT INFORMATION
AU-9(1).1 ASSESSMENT OBJECTIVE:
Determine if the information system produces audit records on hardware-enforced, writeonce media.
POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing protection of audit information; access control policy and procedures; information system design documentation; information system hardware settings; information system configuration settings and associated documentation, information system audit records; other relevant documents or records].
Test: [SELECT FROM: Media storage devices to hold audit records].
APPENDIX F-AU |
PAGE F-71 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
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AU-9(2) PROTECTION OF AUDIT INFORMATION
AU-9(2).1 ASSESSMENT OBJECTIVE:
Determine if:
(i)the organization defines the system or media for storing back up audit records that is a different system or media than the system being audited;
(ii)the organization defines the frequency of information system backups of audit records; and
(iii)the information system backs up audit records, in accordance with the organizationdefined frequency, onto organization-defined system or media.
POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing protection of audit information; security plan; information system design documentation; information system configuration settings and associated documentation, system or media storing backups of information system audit records; information system audit records; other relevant documents or records].
Interview: [SELECT FROM: Organizational personnel with auditing and accountability responsibilities].
AU-9(3) PROTECTION OF AUDIT INFORMATION
AU-9(3).1 ASSESSMENT OBJECTIVE:
Determine if the information system uses cryptographic mechanisms to protect the integrity of audit information and audit tools.
POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing protection of audit information; access control policy and procedures; information system design documentation; information system hardware settings; information system configuration settings and associated documentation, information system audit records; other relevant documents or records].
Interview: [SELECT FROM: Organizational personnel with auditing and accountability responsibilities].
AU-9(4) PROTECTION OF AUDIT INFORMATION
AU-9(4).1 ASSESSMENT OBJECTIVE:
Determine if :
(i)the organization authorizes access to management of audit functionality to only a limited subset of privileged users; and
(ii)the organization protects the audit records of non-local accesses to privileged accounts and the execution of privileged functions.
POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing protection of audit information; access control policy and procedures; information system design documentation; information system configuration settings and associated documentation, information system audit records; other relevant documents or records].
Interview: [SELECT FROM: Organizational personnel with auditing and accountability responsibilities].
APPENDIX F-AU |
PAGE F-72 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
FAMILY: AUDIT AND ACCOUNTABILITY |
CLASS: TECHNICAL |
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ASSESSMENT PROCEDURE |
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AU-10 |
NON-REPUDIATION |
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AU-10.1 |
ASSESSMENT OBJECTIVE: |
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Determine if the information system protects against an individual falsely denying having |
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performed a particular action. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS: |
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Examine: [SELECT FROM: Audit and accountability policy; procedures addressing non-repudiation; |
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information system design documentation; information system configuration settings and |
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associated documentation; information system audit records; other relevant documents or |
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records]. |
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Test: [SELECT FROM: Automated mechanisms implementing non-repudiation capability]. |
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AU-10(1) |
NON-REPUDIATION |
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AU-10(1).1 |
ASSESSMENT OBJECTIVE: |
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Determine if the information system associates the identity of the information producer |
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with the information. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS: |
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Examine: [SELECT FROM: Audit and accountability policy; procedures addressing non-repudiation; |
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information system design documentation; information system configuration settings and |
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associated documentation; information system audit records; other relevant documents or |
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records]. |
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Test: [SELECT FROM: Automated mechanisms implementing non-repudiation capability]. |
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AU-10(2) |
NON-REPUDIATION |
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AU-10(2).1 |
ASSESSMENT OBJECTIVE: |
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Determine if the information system validates the binding of the information producer’s |
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identity to the information. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS: |
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Examine: [SELECT FROM: Audit and accountability policy; procedures addressing non-repudiation; |
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information system design documentation; information system configuration settings and |
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associated documentation; information system audit records; other relevant documents or |
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records]. |
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Test: [SELECT FROM: Automated mechanisms implementing non-repudiation capability]. |
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APPENDIX F-AU |
PAGE F-73 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
AU-10(3) |
NON-REPUDIATION |
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AU-10(3).1 |
ASSESSMENT OBJECTIVE: |
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Determine if the information system maintains reviewer/releaser identity and credentials |
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within the established chain of custody for all information reviewed or released. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS: |
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Examine: [SELECT FROM: Audit and accountability policy; procedures addressing non-repudiation; |
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information system design documentation; information system configuration settings and |
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associated documentation; information system audit records; other relevant documents or |
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records]. |
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Test: [SELECT FROM: Automated mechanisms implementing non-repudiation capability]. |
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AU-10(4) |
NON-REPUDIATION |
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AU-10(4).1 |
ASSESSMENT OBJECTIVE: |
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Determine if the information system validates the binding of the reviewer’s identity to the |
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information at the transfer/release point prior to release/transfer from one security |
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domain to another security domain. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS: |
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Examine: [SELECT FROM: Audit and accountability policy; procedures addressing non-repudiation; |
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information system design documentation; information system configuration settings and |
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associated documentation; information system audit records; other relevant documents or |
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records]. |
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Test: [SELECT FROM: Automated mechanisms implementing non-repudiation capability]. |
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AU-10(5) |
NON-REPUDIATION |
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AU-10(5).1 |
ASSESSMENT OBJECTIVE: |
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Determine if: |
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(i) the organization defines whether FIPS-validated or NSA-approved cryptography is |
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employed to implement digital signatures; and |
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(ii) the organization employs the organization-defined cryptography to implement |
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digital signatures. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS: |
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Examine: [SELECT FROM: Audit and accountability policy; procedures addressing non-repudiation; |
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information system design documentation; information system configuration settings and |
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associated documentation; information system audit records; other relevant documents or |
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records]. |
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Test: [SELECT FROM: Cryptographic mechanisms implementing digital signature capability within the |
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information system]. |
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APPENDIX F-AU |
PAGE F-74 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
FAMILY: AUDIT AND ACCOUNTABILITY |
CLASS: TECHNICAL |
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ASSESSMENT PROCEDURE |
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AU-11 |
AUDIT RECORD RETENTION |
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AU-11.1 |
ASSESSMENT OBJECTIVE: |
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Determine if: |
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(i) |
the organization defines the retention period for audit records; |
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(ii) |
the retention period for audit records is consistent with the records retention policy; |
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and |
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(iii) |
the organization retains audit records for the organization-defined time period |
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consistent with the records retention policy to provide support for after-the-fact |
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investigations of security incidents and to meet regulatory and organizational |
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information retention requirements. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing audit record retention; security plan; organization-defined retention period for audit records; information system audit records; other relevant documents or records].
Interview: [SELECT FROM: Organizational personnel with information system audit record retention responsibilities].
APPENDIX F-AU |
PAGE F-75 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
FAMILY: AUDIT AND ACCOUNTABILITY |
CLASS: TECHNICAL |
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ASSESSMENT PROCEDURE |
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AU-12 |
AUDIT GENERATION |
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AU-12.1 |
ASSESSMENT OBJECTIVE: |
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Determine if: |
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(i) |
the organization defines the information system components that provide audit |
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record generation capability for the list of auditable events defined in AU-2; |
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(ii) |
the information system provides audit record generation capability, at organization- |
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defined information system components, for the list of auditable events defined in |
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AU-2; |
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(iii) |
the information system allows designated organizational personnel to select which |
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auditable events are to be audited by specific components of the system; and |
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(iv) |
the information system generates audit records for the list of audited events defined |
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in AU-2 with the content as defined in AU-3.. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing audit record generation; security plan; information system design documentation; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].
Interview: [SELECT FROM: Organizational personnel with information system audit record generation responsibilities].
Test: [SELECT FROM: Automated mechanisms implementing audit record generation capability].
AU-12(1) AUDIT GENERATION
AU-12(1).1 ASSESSMENT OBJECTIVE:
Determine if:
(i)the information system produces a system-wide (logical or physical) audit trail of information system audit records;
(ii)the organization defines the information system components from which audit records are to be compiled into the system-wide audit trail;
(iii)the information system compiles audit records from organization-defined information system components into the system-wide audit trail;
(iv)the organization defines the acceptable level of tolerance for relationship between time stamps of individual records in the system-wide audit trail; and
(v)the system-wide audit trail is time-correlated to within the organization-defined level of tolerance to achieve a time ordering of audit records.
POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing audit record generation; information system design documentation; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].
Test: [SELECT FROM: Automated mechanisms implementing audit record generation capability].
APPENDIX F-AU |
PAGE F-76 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
AU-12(2) AUDIT GENERATION
AU-12(2).1 ASSESSMENT OBJECTIVE:
Determine if the information system produces a system-wide (logical or physical) audit trail composed of audit records in a standardized format.
POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing audit record generation; information system design documentation; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].
Test: [SELECT FROM: Automated mechanisms implementing audit record generation capability].
APPENDIX F-AU |
PAGE F-77 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
FAMILY: AUDIT AND ACCOUNTABILITY |
CLASS: TECHNICAL |
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ASSESSMENT PROCEDURE |
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AU-13 |
MONITORING FOR INFORMATION DISCLOSURE |
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AU-13.1 |
ASSESSMENT OBJECTIVE: |
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Determine if: |
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(i) |
the organization defines the frequency of monitoring open source information for |
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evidence of unauthorized exfiltration or disclosure of organization information; and |
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(ii) |
the organization monitors open source information for evidence of unauthorized |
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exfiltration or disclosure of organizational information in accordance with the |
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organization-defined frequency. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing information disclosure monitoring; information system design documentation; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].
Interview: [SELECT FROM: Organizational personnel with responsibilities for monitoring open source information for evidence of unauthorized exfiltration or disclosure].
APPENDIX F-AU |
PAGE F-78 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
FAMILY: AUDIT AND ACCOUNTABILITY |
CLASS: TECHNICAL |
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ASSESSMENT PROCEDURE |
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AU-14 |
SESSION AUDIT |
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AU-14.1 |
ASSESSMENT OBJECTIVE: |
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Determine if: |
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(i) |
the information system provides the capability to capture/record and log all content |
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related to a user session; and |
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the information system provides the capability to remotely view/hear all content |
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related to an established user session in real time. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing user session auditing; information system design documentation; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].
Test: [SELECT FROM: Automated mechanisms implementing user session auditing capability].
AU-14(1) SESSION AUDIT
AU-14(1).1 ASSESSMENT OBJECTIVE:
Determine if the information system initiates session audits at system start-up
POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Audit and accountability policy; procedures addressing user session auditing; information system design documentation; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].
Test: [SELECT FROM: Automated mechanisms implementing user session auditing capability].
APPENDIX F-AU |
PAGE F-79 |
Special Publication 800-53A |
Guide for Assessing the Security Controls in |
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Federal Information Systems and Organizations |
________________________________________________________________________________________________
FAMILY: SECURITY ASSESSMENT AND AUTHORIZATION |
CLASS: MANAGEMENT |
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ASSESSMENT PROCEDURE |
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CA-1 |
SECURITY ASSESSMENT AND AUTHORIZATION POLICIES AND PROCEDURES |
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CA-1.1 |
ASSESSMENT OBJECTIVE: |
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Determine if: |
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(i) |
the organization develops and formally documents security assessment and |
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authorization policy; |
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(ii) |
the organization security assessment and authorization policy addresses: |
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purpose; |
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scope; |
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roles and responsibilities; |
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management commitment; |
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- coordination among organizational entities; and |
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compliance; |
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(iii) |
the organization disseminates formal documented security assessment and |
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authorization policy to elements within the organization having associated security |
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assessment and authorization roles and responsibilities; |
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(iv) |
the organization develops and formally documents security assessment and |
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authorization procedures; |
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(v) |
the organization security assessment and authorization procedures facilitate |
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implementation of the security assessment and authorization policy and associated |
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security assessment and authorization controls; and |
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(vi) |
the organization disseminates formal documented security assessment and |
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authorization procedures to elements within the organization having associated |
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security assessment and authorization roles and responsibilities. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS: |
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Examine: [SELECT FROM: Security assessment and authorization policies and procedures; other |
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relevant documents or records]. |
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Interview: [SELECT FROM: Organizational personnel with security assessment and authorization |
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responsibilities]. |
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CA-1.2 |
ASSESSMENT OBJECTIVE: |
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Determine if: |
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(i) |
the organization defines the frequency of security assessment and authorization |
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policy reviews/updates; |
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(ii) |
the organization reviews/updates security assessment and authorization policy in |
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accordance with organization-defined frequency; |
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(iii) |
the organization defines the frequency of security assessment and authorization |
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procedure reviews/updates; and |
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(iv) the organization reviews/updates security assessment and authorization procedures |
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in accordance with organization-defined frequency. |
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POTENTIAL ASSESSMENT METHODS AND OBJECTS:
Examine: [SELECT FROM: Security assessment and authorization policies and procedures; other relevant documents or records].
Interview: [SELECT FROM: Organizational personnel with security assessment and authorization responsibilities].
APPENDIX F-CA |
PAGE F-80 |