+AU-09 [H] Protection of Audit Information
---+AU-09(02) [H] Store on Separate Physical Systems or Components
---+AU-09(03) [H] Cryptographic Protection
---+AU-09(04) [H] Access by Subset of Privileged Users

AU-09 [H] Protection of Audit Information

Control

  1. Protect audit information and audit logging tools from unauthorized access, modification, and deletion; and
  2. Alert [Assignement: personnel or roles] upon detection of unauthorized access, modification, or deletion of audit information.

Discussion

Audit information includes all information needed to successfully audit system activity, such as audit records, audit log settings, audit reports, and personally identifiable information. Audit logging tools are those programs and devices used to conduct system audit and logging activities. Protection of audit information focuses on technical protection and limits the ability to access and execute audit logging tools to authorized individuals. Physical protection of audit information is addressed by both media protection controls and physical and environmental protection controls.

Assessment Objective

  1. audit information and audit logging tools are protected from unauthorized access, modification, and deletion;
  2. [Assignement: personnel or roles] are alerted upon detection of unauthorized access, modification, or deletion of audit information.

Assessment Method

Examine

Audit and accountability policy system security plan privacy plan access control policy and procedures procedures addressing protection of audit information system design documentation system configuration settings and associated documentation system audit records audit tools other relevant documents or records

Interview

Organizational personnel with audit and accountability responsibilities organizational personnel with information security and privacy responsibilities system/network administrators system developers

1. Übersicht

AU-09(02) [H] Store on Separate Physical Systems or Components

Control

Store audit records [Assignement: frequency] in a repository that is part of a physically different system or system component than the system or component being audited.

Discussion

Storing audit records in a repository separate from the audited system or system component helps to ensure that a compromise of the system being audited does not also result in a compromise of the audit records. Storing audit records on separate physical systems or components also preserves the confidentiality and integrity of audit records and facilitates the management of audit records as an organization-wide activity. Storing audit records on separate systems or components applies to initial generation as well as backup or long-term storage of audit records.

Assessment Objective

audit records are stored [Assignement: frequency] in a repository that is part of a physically different system or system component than the system or component being audited.

Assessment Method

Examine

Audit and accountability policy system security plan privacy plan procedures addressing protection of audit information system design documentation system configuration settings and associated documentation system or media storing backups of system audit records system audit records other relevant documents or records

Interview

Organizational personnel with audit and accountability responsibilities organizational personnel with information security and privacy responsibilities system/network administrators system developers
AU-09(03) [H] Cryptographic Protection

Control

Implement cryptographic mechanisms to protect the integrity of audit information and audit tools.

Discussion

Cryptographic mechanisms used for protecting the integrity of audit information include signed hash functions using asymmetric cryptography. This enables the distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.

Assessment Objective

cryptographic mechanisms to protect the integrity of audit information and audit tools are implemented.

Assessment Method

Examine

Audit and accountability policy system security plan privacy plan access control policy and procedures procedures addressing protection of audit information system design documentation system hardware settings system configuration settings and associated documentation system audit records other relevant documents or records

Interview

Organizational personnel with audit and accountability responsibilities organizational personnel with information security and privacy responsibilities system/network administrators system developers
AU-09(04) [H] Access by Subset of Privileged Users

Control

Authorize access to management of audit logging functionality to only [Assignement: subset of privileged users or roles].

Discussion

Individuals or roles with privileged access to a system and who are also the subject of an audit by that system may affect the reliability of the audit information by inhibiting audit activities or modifying audit records. Requiring privileged access to be further defined between audit-related privileges and other privileges limits the number of users or roles with audit-related privileges.

Assessment Objective

access to management of audit logging functionality is authorized only to [Assignement: subset of privileged users or roles].

Assessment Method

Examine

Audit and accountability policy system security plan privacy plan access control policy and procedures procedures addressing protection of audit information system design documentation system configuration settings and associated documentation system-generated list of privileged users with access to management of audit functionality access authorizations access control list system audit records other relevant documents or records

Interview

Organizational personnel with audit and accountability responsibilities organizational personnel with information security and privacy responsibilities system/network administrators

1.1 Referenzen

1.2 Identifizierte Anforderungen

1.3 Zugehörige Regulierungen

2. Identifizierte Anforderungen

Anforderungen

3. Zugehörige Regulierungen

Regulierungen

Verknüpfte Vorgänge

Verknüpfungen
is blocked by AU-09 [H] Protection of Audit Information – Assessment Procedure
is blocked by Protection of Event Logs & Security-Relevant Telemetry