Building a Vulnerability Management Program From Scratch

Why Ad-Hoc Patching Is Not Enough

Many organizations approach vulnerability management reactively - patching when they hear about a critical vulnerability in the news. This approach leaves gaps because most breaches exploit vulnerabilities that have had patches available for months. A structured vulnerability management program systematically identifies, prioritizes, and remedies vulnerabilities before attackers can exploit them.

The Vulnerability Management Lifecycle

The lifecycle has five phases. Discovery scans your environment to identify all assets and their software versions. Assessment evaluates vulnerabilities in context - a critical vulnerability on an internet-facing server is more urgent than the same vulnerability on an isolated test machine. Prioritization ranks vulnerabilities by risk, considering exploitability, asset value, and available compensating controls. Remediation applies patches, configuration changes, or compensating controls. Verification confirms that remediation was effective and the vulnerability is resolved.

Establishing SLAs for Remediation

Define maximum remediation timelines based on severity: critical vulnerabilities on internet-facing systems within 48 hours, high severity within one week, medium within 30 days, and low within 90 days. Track compliance with these SLAs and report to leadership. When SLAs are consistently missed, it indicates a resource or process problem that needs executive attention.

Continuous Improvement

Review your vulnerability management metrics monthly. Track mean time to remediate, SLA compliance rate, vulnerability recurrence, and the overall trend of open vulnerabilities. Conduct root cause analysis when the same type of vulnerability appears repeatedly - it may indicate a systemic issue in your development or deployment process. True Protection provides vulnerability scanning and prioritized remediation recommendations as part of its endpoint management capabilities.