Vulnerability Scanners (Nessus, OpenVAS)

Summary

Automated tools that scan systems and networks for known vulnerabilities at scale — a core recurring activity for identifying what needs patching before attackers find it first.

• 1Run a free vulnerability scanner (like OpenVAS) against a practice lab environment.
• 2Learn to prioritize scan findings by severity and exploitability, not just raw count.
• 3Understand why regular, scheduled scanning matters more than a one-time assessment.