cyberstrikeus 1.3.3 Ensure GPG keys are configured (Manual)
Profile Applicability
- Level 1 - Server
- Level 1 - Workstation
Description
Most packages managers implement GPG key signing to verify package integrity during installation.
Rationale
It is important to ensure that updates are obtained from a valid source to protect against spoofing that could lead to the inadvertent installation of malware on the system.
Audit Procedure
Command Line
Verify GPG keys are configured correctly for your package manager:
apt-key list
Expected Result
GPG keys should be properly configured according to site policy.
Remediation
Command Line
Update your package manager GPG keys in accordance with site policy.
References
- NIST SP 800-53 Rev. 5: SI-2
CIS Controls
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 7.3 Perform Automated Operating System Patch Management | X | X | X |
| v7 | 3.4 Deploy Automated Operating System Patch Management Tools | X | X | X |
| v7 | 3.5 Deploy Automated Software Patch Management Tools | X | X | X |
MITRE ATT&CK Mappings
| Techniques / Sub-techniques | Tactics | Mitigations |
|---|---|---|
| T1195, T1195.001, T1195.002 | TA0001 | M1051 |