Guides

Penetration testing & vulnerability scanning guides

Practical, vendor-neutral guides for security engineers, sysadmins and red teams.

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How to run a network vulnerability scan

A step-by-step walkthrough — from authorization and target selection to scanning, triage and reporting.

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What are EPSS and CISA KEV?

How exploit-probability scoring and the known-exploited catalog turn a flat CVE list into a real fix-first order.

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Best free open-source penetration testing tools

A practical roundup of free pentest and vulnerability-scanning tools, and where each one fits.