Queries Certificate Transparency logs via crt.sh and pycrtsh to detect phishing domains, unauthorized certificate issuance, and shadow IT. Monitors newly issued certificates for typosquatting and brand impersonation using Levenshtein distance. Use for proactive phishing domain detection and certificate monitoring.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-tls-certificate-transparency-logsnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-tls-certificate-transparency-logs -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-tls-certificate-transparency-logs -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/analyzing-tls-certificate-transparency-logsgh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-tls-certificate-transparency-logsgit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/analyzing-tls-certificate-transparency-logs ~/.claude/skills/analyzing-tls-certificate-transparency-logs # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/analyzing-tls-certificate-transparency-logs ~/.agents/skills/analyzing-tls-certificate-transparency-logs # Codex, Cursor, Gemini CLI, Copilot, OpenCode