Individual skill
testing-for-sensitive-data-exposure
Identifying sensitive data exposure vulnerabilities including API key leakage, PII in responses, insecure storage, and unprotected data transmission during security assessments.
skills/testing-for-sensitive-data-exposure/SKILL.md
Source commit 54a798831d2266a3ca61ce68a7acb80b81160d57
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- Last checked
- Nov 9, 2026
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Repository context
- Repository stars (not skill ratings)
- 35,846
- Repository last updated
- Aug 31, 2026
- License
- Apache-2.0
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- ai-agents Repository topic
- claude-code Repository topic
- cybersecurity Repository topic
- incident-response Repository topic
- mitre-attack Repository topic
- penetration-testing Repository topic
- red-team Repository topic
- security Repository topic
- cloud-security Repository topic
- malware-analysis Repository topic
- penetration-testing Declared skill tag
- data-exposure Declared skill tag
- pii Declared skill tag
- owasp Declared skill tag
- web-security Declared skill tag
- api-keys Declared skill tag
- secrets Declared skill tag
- data Derived category
- security Derived category
- testing Derived category
- security-application Derived category
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Read excerpt
# Testing for Sensitive Data Exposure
## When to Use
- During authorized penetration tests when assessing data protection controls
- When evaluating applications for GDPR, PCI DSS, HIPAA, or other data protection compliance
- For identifying leaked API keys, credentials, tokens, and secrets in application responses
- When testing whether sensitive data is properly encrypted in transit and at rest
- During security assessments of APIs that handle PII, financial data, or health records
## Prerequisites
- **Authorization**: Written penetration testing agreement with data handling scope
- **Burp Suite Professional**: For intercepting and analyzing responses for sensitive data