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    Mobile App Security Checklist

    Mohamed Ali

    Mohamed Ali

    Security Engineer

    Dec 5, 2025
    8 min read
    Mobile App Security Checklist
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    Introduction

    Mobile applications face unique security challenges. This checklist covers essential security measures for both iOS and Android apps.

    Secure Data Storage

  1. Never store sensitive data in plain text
  2. Use platform-specific secure storage (Keychain, Keystore)
  3. Encrypt local databases
  4. Clear sensitive data from memory when not needed

    Network Security

    • [ ] Use HTTPS for all communications
  5. Implement certificate pinning
  6. Validate server certificates
  7. Use secure TLS versions (1.2+)

    Authentication

    • [ ] Implement biometric authentication where appropriate
  8. Use secure token storage
  9. Implement session timeout
  10. Add brute force protection

    Code Security

    • [ ] Obfuscate code (especially for Android)
  11. Remove debug logs in production
  12. Disable backup for sensitive data
  13. Implement root/jailbreak detection

    Conclusion

    Mobile security requires a comprehensive approach. Regular security audits and penetration testing are essential to maintain a secure application.

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