Patch Management

Patch management is the process of managing software updates that address security vulnerabilities, bugs, and feature improvements. Effective patch management is critical because known vulnerabilities in unpatched software are among the most common attack vectors — attackers actively scan for systems running vulnerable versions.

A structured patch management process includes: inventorying all software assets, monitoring for new vulnerability disclosures and patches, assessing the risk and applicability of each patch, testing patches in a staging environment, deploying patches within defined SLA windows, and verifying successful deployment.

Challenges include balancing speed (patching quickly to reduce exposure) with stability (testing to avoid breaking changes), managing patches across diverse technology stacks, and handling legacy systems that can't be easily updated.

How APVISO tests for this: APVISO's recon agent identifies outdated software versions across your web infrastructure — web servers, application frameworks, JavaScript libraries, and CMS platforms — and correlates them with known CVEs. This helps prioritize patching efforts by showing which outdated components are actually exposed to attack.