Updated today
by Masriyan
Claude-Code-CyberSecurity-Skill
22 production-quality Claude Code Skills for cybersecurity professionals — covering offensive security, defensive operations, reverse engineering, threat hunting, threat intelligence, purple team / adversary emulation, CSOC automation, AI/LLM security, mobile, OT/ICS, GRC, software supply chain security, and more.
479 GitHub stars (479)
+33 in 20 days
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- 22 skills (22 skills found in its SKILL.md files)
- 90 forks (90 forks)
- Today last update (Last updated today)
Install
Skills CLI
npx skills add Masriyan/Claude-Code-CyberSecurity-Skill
Asks which skills and agents to install. Just one: npx skills add Masriyan/Claude-Code-CyberSecurity-Skill --skill 'Reconnaissance & OSINT Automation' — add -g for every project.
Claude Code
git clone https://github.com/Masriyan/Claude-Code-CyberSecurity-Skillcp -r "Claude-Code-CyberSecurity-Skill/skills/01-recon-osint" ~/.claude/skills/
Copies the Reconnaissance & OSINT Automation skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.
Plugin
/plugin marketplace add Masriyan/Claude-Code-CyberSecurity-Skill
Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.
Skills can run code on your machine — read the SKILL.md first.
What it does
In the author's own words, from each skill's SKILL.md.
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Reconnaissance & OSINT Automation
Passive and active reconnaissance, subdomain enumeration, DNS analysis, technology fingerprinting, and OSINT data correlation for authorized security assessments
skills/01-recon-osint/SKILL.md on GitHub (opens in a new tab) -
Vulnerability Scanning & Assessment
Dependency auditing, CVE detection, configuration security review, CVSS scoring, and prioritized vulnerability reporting
skills/02-vulnerability-scanner/SKILL.md on GitHub (opens in a new tab) -
Exploit Development & Payload Engineering
Proof-of-concept development, payload crafting, shellcode analysis, and exploitation technique research for authorized security testing
skills/03-exploit-development/SKILL.md on GitHub (opens in a new tab) -
Reverse Engineering & Binary Analysis
Binary analysis, assembly interpretation, disassembly, decompilation, firmware RE, and protocol reverse engineering
skills/04-reverse-engineering/SKILL.md on GitHub (opens in a new tab) -
Malware Analysis & Sandboxing
Static and dynamic malware analysis, YARA rule generation, sandbox configuration, behavioral profiling, and malware family classification
skills/05-malware-analysis/SKILL.md on GitHub (opens in a new tab) -
Threat Hunting & IOC Analysis
IOC extraction, threat intelligence correlation, MITRE ATT&CK mapping, hunt hypothesis generation, and detection rule creation
skills/06-threat-hunting/SKILL.md on GitHub (opens in a new tab) -
Incident Response & Digital Forensics
IR playbook execution, evidence collection, forensic timeline analysis, memory forensics, and post-incident reporting following NIST SP 800-61 and SANS PICERL methodology
skills/07-incident-response/SKILL.md on GitHub (opens in a new tab) -
Network Security & Traffic Analysis
Network traffic analysis, PCAP parsing, IDS/IPS rule creation, firewall configuration auditing, and network anomaly detection
skills/08-network-security/SKILL.md on GitHub (opens in a new tab) -
Web Application Security Testing
OWASP Top 10 testing, injection vulnerability detection, API security assessment, authentication testing, and web vulnerability reporting for authorized assessments
skills/09-web-security/SKILL.md on GitHub (opens in a new tab) -
Cloud Security & Container Hardening
AWS/Azure/GCP security auditing, container and Kubernetes hardening, Infrastructure as Code scanning, and cloud compliance assessment
skills/10-cloud-security/SKILL.md on GitHub (opens in a new tab) -
CSOC Operations & Playbook Automation
SOC alert triage, incident playbook automation, escalation workflows, shift reporting, and SOC KPI tracking
skills/11-csoc-automation/SKILL.md on GitHub (opens in a new tab) -
Log Analysis & SIEM Integration
Security log parsing, anomaly detection, SIEM query building, Sigma rule creation, and correlation rule development across Splunk, Elastic, QRadar, and Microsoft Sentinel
skills/12-log-analysis/SKILL.md on GitHub (opens in a new tab) -
Cryptographic Analysis & Assessment
SSL/TLS auditing, cipher suite analysis, hash algorithm identification, encryption implementation review, and cryptographic weakness detection in code
skills/13-crypto-analysis/SKILL.md on GitHub (opens in a new tab) -
Red Team Operations & Engagement Planning
Authorized red team engagement planning, C2 architecture design, attack methodology, lateral movement strategy, OPSEC, and professional reporting
skills/14-red-team-ops/SKILL.md on GitHub (opens in a new tab) -
Blue Team Defense & Hardening
System hardening, detection engineering, security baseline monitoring, patch management, defense-in-depth architecture, and security posture improvement
skills/15-blue-team-defense/SKILL.md on GitHub (opens in a new tab) -
AI & LLM Security
LLM and AI application security testing — prompt injection, jailbreak resistance, OWASP LLM Top 10 (2025), RAG and agent/tool-use security, model supply chain, and AI red teaming for authorized assessments
skills/16-ai-llm-security/SKILL.md on GitHub (opens in a new tab) -
Mobile Application Security
Android and iOS application security testing — static and dynamic analysis, APK/IPA inspection, OWASP MASVS/MASTG verification, secure-storage and transport review, and mobile malware triage for authorized assessments
skills/17-mobile-security/SKILL.md on GitHub (opens in a new tab) -
OT / ICS / SCADA Security
Operational Technology and industrial control system security — Purdue model segmentation, industrial protocol analysis (Modbus, DNP3, S7, EtherNet/IP), PLC/HMI exposure, IEC 62443 alignment, and MITRE ATT&CK for ICS, for authorized and safety-conscious assessments
skills/18-ot-ics-security/SKILL.md on GitHub (opens in a new tab) -
GRC & Compliance
Governance, risk, and compliance — risk assessment and scoring, control mapping across NIST CSF 2.0 / ISO 27001:2022 / SOC 2 / CIS Controls v8, gap analysis, audit evidence preparation, and security policy generation
skills/19-grc-compliance/SKILL.md on GitHub (opens in a new tab) -
Supply Chain Security
Software supply chain security — SBOM generation and analysis, dependency confusion and typosquatting detection, malicious package indicators, CI/CD pipeline hardening, and artifact provenance/signing (SLSA, Sigstore)
skills/20-supply-chain-security/SKILL.md on GitHub (opens in a new tab) -
Threat Intelligence & CTI
Cyber threat intelligence production — the intelligence cycle, IOC extraction/normalization/enrichment, STIX/TAXII and MISP, structured analytic models (Diamond, Kill Chain, ATT&CK), source scoring, actor/campaign tracking, and finished intelligence reporting
skills/21-threat-intelligence/SKILL.md on GitHub (opens in a new tab) -
Purple Team & Adversary Emulation
Collaborative purple-team operations — threat-informed adversary emulation planning (ATT&CK, CTID, Atomic Red Team, CALDERA), the detect-tune-validate loop, detection coverage measurement (DeTT&CT/Navigator), safe execution and deconfliction, and MTTD/coverage reporting
skills/22-purple-team/SKILL.md on GitHub (opens in a new tab)
No skill matches that filter.
Review before you install
A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.