OWASP Top 10 - M10: Insufficient Cryptography

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Insecure Cryptography in Mobile Apps

Threat Agents: Attackers exploit weak cryptography to decrypt data, manipulate encryption, or gain unauthorized access.

Attack Vectors (Exploitability: AVERAGE): Weak algorithms, poor key management, and flawed implementations allow brute-force, MitM, and downgrade attacks.

Security Weakness (Prevalence: COMMON | Detectability: AVERAGE):

  • Weak encryption, insufficient key lengths.
  • Poor key storage & management.
  • Insecure transport (e.g., missing HTTPS).
  • Weak hash functions without salting.

Impact (SEVERE):

  • Data breaches (PII, financial data leaks).
  • Intellectual property loss (decrypted proprietary data).
  • Financial & legal consequences (fraud, non-compliance).

Prevention:

  • Use strong encryption (AES, RSA, ECC).
  • Secure key storage & management (HSMs, vaults).
  • Implement secure transport (HTTPS, certificate validation).
  • Use strong hashes (SHA-256, bcrypt) with salting.
  • Regularly update cryptographic libraries & conduct security tests.

By following these best practices, mobile apps can mitigate cryptographic vulnerabilities.


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