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NixOS must enable the audit daemon.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-268080ANIX-00-000030SV-268080r1130951_ruleCCI-000018medium
Description
Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to create an account. Auditing account creation actions provides logging that can be used for forensic purposes. Note: For the "security.audit.enable" configuration, both "true" and "lock" are valid values. The "true" value allows for loading of audit rules (synonymous with "-e 1" in audit rules), while the "lock" value loads audit rules and enforces that the rules cannot be changed without the system rebooting (synonymous with "-e 2"). Setting this value to "lock" is recommended to be performed as the final step in configuring the audit daemon. Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000254-GPOS-00095, SRG-OS-000344-GPOS-00135, SRG-OS-000348-GPOS-00136, SRG-OS-000349-GPOS-00137, SRG-OS-000350-GPOS-00138, SRG-OS-000351-GPOS-00139, SRG-OS-000352-GPOS-00140, SRG-OS-000353-GPOS-00141, SRG-OS-000354-GPOS-00142, SRG-OS-000122-GPOS-00063, SRG-OS-000358-GPOS-00145
STIGDate
Anduril NixOS Security Technical Implementation Guide2025-08-19

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

IAC-15.4Automated Audit Actions
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (49) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-16Security and Privacy Attributes
1.00
AC-17(1)Monitoring and Control
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(11)Usage Conditions
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00
AC-3(3)Mandatory Access Control
1.00
AC-4Information Flow Enforcement
1.00
AC-6(9)Log Use of Privileged Functions
1.00

+39 more (top 10 by confidence shown)

CCI1 mapping
CCI-000018
1.00

Details

Check Text (C-268080r1130951_chk)

Verify NixOS has the audit service configured with the following commands: $ systemctl is-active audit.service active $ systemctl is-active auditd.service active If auditd and audit services are not active, this is a finding.

Fix Text (F-71907r1130950_fix)

Configure NixOS to enable the audit service by updating the NixOS config, typically stored either in /etc/nixos/configuration.nix or /etc/nixos/flake.nix: security.auditd.enable = true; security.audit.enable = true; Rebuild and switch to the new NixOS configuration: $ sudo nixos-rebuild switch