A curated, blueprint-aligned list for CISSP: (ISC)² official pages, governance & risk frameworks (NIST/ISO/CIS), zero trust & architecture, crypto/PKI/TLS, IAM & identity standards, cloud & containers, IR/forensics/BCP, and vetted open-source tools and lab ideas.
Use this page as your launchpad. Pair it with the Syllabus, Cheatsheet, and Practice.
openssl s_client
.Always follow laws, scope/ROE, and ethics. Keep testing in isolated labs only.