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48 lines
1.9 KiB
Markdown
48 lines
1.9 KiB
Markdown
# Service Account Credential Rotation - Standards Reference
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## Compliance Requirements
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### NIST SP 800-63B - Digital Identity Guidelines
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- Authenticator lifecycle management
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- Credential rotation for compromised or expired secrets
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- Automated mechanisms for credential management preferred
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### PCI DSS v4.0
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- 8.3.9: Passwords/passphrases for application and system accounts changed periodically (at least every 90 days)
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- 8.6.1: Interactive use of system and application accounts managed
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- 8.6.3: Passwords for application and system accounts protected against misuse
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### SOC 2 - CC6.1
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- Logical access controls restrict access to information assets
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- Credentials are managed throughout their lifecycle
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- Service account credentials rotated per policy
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### CIS Controls v8
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- 5.2: Use unique passwords
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- 5.4: Restrict admin privileges to dedicated accounts
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- 5.5: Establish and maintain inventory of service accounts
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## Rotation Frequency Standards
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| Account Type | NIST Guideline | PCI DSS | CIS Benchmark | Recommended |
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|-------------|----------------|---------|---------------|-------------|
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| Domain Admin | 60 days | 90 days | 90 days | 30 days |
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| Service Account (AD) | gMSA auto | 90 days | 90 days | gMSA (auto 30 days) |
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| Cloud Access Keys | 90 days | 90 days | 90 days | 90 days or eliminate |
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| Database Admin | 60 days | 90 days | 90 days | Dynamic secrets (per-session) |
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| API Keys | 90 days | N/A | 90 days | 90 days or short-lived tokens |
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## Technology Standards
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### gMSA (Group Managed Service Accounts)
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- Windows Server 2012+ domain functional level
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- KDS Root Key required (one per forest)
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- 240-byte cryptographically random passwords
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- Automatic rotation every 30 days by default
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- Multiple hosts can share same gMSA
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### PKCS#12 / X.509 Certificate Rotation
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- Certificate-based authentication preferred over passwords
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- Auto-renewal via ACME protocol or internal CA
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- Certificate pinning considerations for service-to-service auth
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