Data Breach Blast Radius

Quality score: 70/100 · Category: Security · Sub-category: compliance

Pre-breach impact analysis: inventories sensitive data (PII, PHI, PCI-DSS, credentials), traces data flows, scores exposure vectors, and produces a regulatory blast radius report with fine ranges sourced verbatim from GDPR Art. 83, CCPA § 1798.155(a), and HIPAA 45 CFR § 160.404. Cost benchmarks from IBM Cost of a Data Breach Report (annually updated). All citations in references/SOURCES.md for verification. Use when asked: "assess breach impact", "what data could be exposed", "calculate blast radius", "data exposure analysis", "how bad would a breach be", "quantify data risk", "sensitive data inventory", "data flow security audit", "pre-breach assessment", "worst-case breach scenario", "breach readiness", "data risk report", "/data-breach-blast-radius". For any stack handling user data, health records, or financial information. Output labels law-sourced figures (exact) vs heuristic estimates (planning only). Does not replace legal counsel.

What this skill does

Data Breach Blast Radius is a production-ready Claude Code skill (quality score 70/100) in the compliance sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/data-breach-blast-radius/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when asked: "assess breach impact", "what data could be exposed", "calculate blast radius", "data exposure analysis", "how bad would a breach be", "quantify data risk", "sensitive data inventory", "data flow security audit", "pre-breach assessment", "worst-case breach scenario", "breach readiness", "data risk report", "/data-breach-blast-radius". For any stack handling user data, health records, or financial information.

Who uses this skill

The Data Breach Blast Radius skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/data-breach-blast-radius
curl -L https://claudskills.com/skills/data-breach-blast-radius/SKILL.md \
  -o ~/.claude/skills/data-breach-blast-radius/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/data-breach-blast-radius/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/data-breach-blast-radius/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\data-breach-blast-radius\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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