B.4 Vulnerability Management Procedures

Version: April 2025
Aligned with: ISO/IEC 27001:2022 (Annex A: A.8.8)
Applies to: All IT administrators, security team, and system owners

Purpose
To define procedures for identifying, assessing, and remediating vulnerabilities across organizational systems and infrastructure.

1. Vulnerability Scanning
(Aligned with A.8.8 – Management of technical vulnerabilities)

1.1 Automated Scanning

  • Weekly vulnerability scans of all network assets
  • Monthly authenticated scans of critical systems
  • Quarterly external penetration testing
  • Real-time monitoring for new vulnerabilities

1.2 Risk Assessment

  • Classify vulnerabilities by CVSS score
  • Assess business impact and exploitability
  • Prioritize remediation based on risk level
  • Track remediation progress and verify fixes
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