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mukul975
efca3ec611
Mapped every skill to NIST CSF 2.0 subcategory IDs (GV/ID/PR/DE/RS/RC functions) based on subdomain and content analysis. Restores 11 skills corrupted during prior rebase, re-enriching with ATLAS, D3FEND, NIST AI RMF, and CSF 2.0 fields. All 754 skills now carry structured mappings for all 5 security frameworks: - MITRE ATT&CK (in tags) - MITRE ATLAS v5.5 (atlas_techniques) - MITRE D3FEND v1.3 (d3fend_techniques) - NIST AI RMF 1.0 (nist_ai_rmf) - NIST CSF 2.0 (nist_csf)
90 lines
3.2 KiB
Markdown
90 lines
3.2 KiB
Markdown
---
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name: performing-ssl-certificate-lifecycle-management
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description: SSL/TLS certificate lifecycle management encompasses the full process of requesting, issuing, deploying, monitoring,
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renewing, and revoking X.509 certificates. Poor certificate management is a leading
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domain: cybersecurity
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subdomain: cryptography
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tags:
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- cryptography
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- ssl
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- certificates
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- pki
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- tls
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- key-management
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version: '1.0'
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author: mahipal
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license: Apache-2.0
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nist_csf:
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- PR.DS-01
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- PR.DS-02
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- PR.DS-10
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---
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# Performing SSL Certificate Lifecycle Management
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## Overview
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SSL/TLS certificate lifecycle management encompasses the full process of requesting, issuing, deploying, monitoring, renewing, and revoking X.509 certificates. Poor certificate management is a leading cause of outages and security incidents. This skill covers automating the entire certificate lifecycle using Python and ACME protocol tools.
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## When to Use
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- When conducting security assessments that involve performing ssl certificate lifecycle management
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- When following incident response procedures for related security events
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- When performing scheduled security testing or auditing activities
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- When validating security controls through hands-on testing
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## Prerequisites
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- Familiarity with cryptography concepts and tools
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- Access to a test or lab environment for safe execution
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- Python 3.8+ with required dependencies installed
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- Appropriate authorization for any testing activities
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## Objectives
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- Generate Certificate Signing Requests (CSRs) programmatically
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- Parse and validate X.509 certificates
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- Monitor certificate expiration across infrastructure
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- Automate renewal using ACME protocol (Let's Encrypt)
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- Implement certificate revocation checking (CRL and OCSP)
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- Track certificate inventory across multiple domains
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## Key Concepts
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### Certificate Lifecycle Stages
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1. **Request**: Generate key pair and CSR
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2. **Issuance**: CA validates and issues certificate
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3. **Deployment**: Install certificate on servers
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4. **Monitoring**: Track expiration and health
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5. **Renewal**: Request new certificate before expiry
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6. **Revocation**: Invalidate compromised certificates
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### Certificate Types
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| Type | Validation | Use Case |
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|------|-----------|----------|
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| DV (Domain Validation) | Domain ownership | Websites, APIs |
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| OV (Organization Validation) | Domain + org identity | Business sites |
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| EV (Extended Validation) | Full legal verification | E-commerce, banking |
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| Wildcard | *.domain.com | Multi-subdomain |
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| SAN/UCC | Multiple domains | Multi-domain hosting |
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## Security Considerations
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- Set up automated monitoring for all certificates
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- Use ECDSA (P-256) certificates for better performance over RSA
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- Enable OCSP stapling on all servers
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- Implement Certificate Transparency log monitoring
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- Maintain inventory of all certificates and their locations
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- Plan for CA compromise scenarios (key pinning, backup CAs)
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## Validation Criteria
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- [ ] CSR generation produces valid PKCS#10 request
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- [ ] Certificate parsing extracts all relevant fields
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- [ ] Expiration monitoring detects certificates within threshold
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- [ ] Certificate chain validation verifies trust path
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- [ ] OCSP checking detects revoked certificates
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- [ ] Certificate inventory tracks all deployed certificates
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