Tools: articles and guides

Cyber readiness assessment tools compared for 2026: free self-assessments (CISA CSET, CISA Cyber Resilience Review, NIST CSF 2.0 resources, PlayCISO scorecards), open-source GRC (SimpleRisk, eramba) and commercial platforms (Vanta, Drata, Cyberbit, Immersive), with prices as of October 2026.

REA is the open-source, MIT-licensed MCP server at github.com/morluto/rea. Set it up with npx rea-agents setup to let AI agents drive Ghidra, IDA and Hopper.

Arsenal-NG gives penetration testers instant fuzzy search across 2,800+ pentest commands in a terminal UI written in Go. Here's why it's worth adding to your toolkit — and what security leaders need to understand about the tools their red teams use.