Issue Details
Insecure Storage
Aliases: None
Explanation
In OWASP 2003, A8 Insecure Storage combines related risk themes across Cryptographic Failures, Sensitive Data Exposure. Cryptographic failures expose sensitive data due to weak encryption choices, bad key handling, or missing protection. Sensitive data exposure occurs when private information is stored, transmitted, or displayed without safeguards. These weaknesses are often exploited as a chain: attackers start with weak input or trust boundaries, pivot through authorization or session gaps, and then move toward data exposure, integrity loss, or service disruption. Operationally, this can increase incident frequency, enlarge blast radius, and raise both remediation cost and compliance exposure when controls are missing or inconsistently enforced across services.
Remedy
For OWASP 2003 A8 Insecure Storage, apply defense in depth across design, implementation, deployment, and operations rather than relying on a single control. Priority controls include: Use modern algorithms, managed key rotation, secure random generation, and encryption for data at rest and in transit. Minimize sensitive data collection, mask outputs, encrypt storage/transit, and enforce strict access policies. Treat mitigation as a continuous program: define security requirements up front, enforce them in CI/CD gates, and verify effectiveness with threat modeling, code review, automated testing, and recurring penetration testing. Add monitoring and incident-response readiness so misconfigurations, abuse patterns, and control regressions are detected early and corrected before they become repeatable attack paths.
| Year | Rank | Category |
|---|---|---|
| 2003 | #8 | A8 - Insecure Storage |
| 2004 | #8 | A8 - Insecure Storage |
| 2007 | #8 | A8 - Insecure Cryptographic Storage |
| 2007 | #9 | A9 - Insecure Communications |
| 2010 | #7 | A7 - Insecure Cryptographic Storage |
| 2010 | #9 | A9 - Insufficient Transport Layer Protection |
| 2017 | #3 | A3 - Sensitive Data Exposure |
| 2021 | #2 | A02 - Cryptographic Failures |
| 2025 | #4 | A04 - Cryptographic Failures |