52 tagged cyber security, measured the same way as everything else here.
Browse within: cybersecurity 51cti 50cyber-threat-intelligence 50cyber-threat-tool 50cyber-threats 50
Skill Claude CodeCodex
Use when you need to answer "which attacker techniques do our controls actually stop, and how well?", "what controls should I have for this threat?", or "what telemetry should I collect to detect it?" — joining a customer's or your own security control baseline to ATT&CK techniques using a public, versioned evidence…
Skill Claude CodeCodex
Indicator pivoting methodology — how to use one known indicator to discover related infrastructure across the IOC graph. Decision tree by indicator type with concrete /lookup- commands per pivot, a worked multi-hop example, pivot-quality scoring, and routing into the rigor pipeline. Use when the user asks "what else…
Skill Claude CodeCodex
Use when you need Liberty91 platform intelligence — what actually happened (deduplicated Threat Events with every source, Admiralty reliability/credibility and verification stage), whether an IOC is already known to your account, the canonical threat library (actors, malware, vulnerabilities, clusters, ATT&CK TTPs)…
Skill Claude CodeCodex
Security testing and OSINT toolkit wrapping 183+ tools from Z4nzu/hackingtool (nmap, sherlock, amass, subfinder, nuclei, httpx, holehe, maigret, trufflehog, sqlmap, impacket, netexec, and more). Use whenever the user asks to recon a target, scan a network, enumerate subdomains, investigate a username or email, test a…
screem500/prompt-injection-auditor
Skill Claude CodeCodex
Security audit of LLM system prompts, agent instruction files (SKILL.md, AGENTS.md, CLAUDE.md), and agent configurations against prompt injection attacks. Use when the user wants to (1) audit or harden a system prompt or agent instructions against prompt injection, (2) review an agent skill or system prompt for…