mobile-security

What problem does it solve?

Android apps frequently mishandle sensitive data, keys, and network trust, leading to data leakage, credential theft, and insecure configurations. This Skill provides a consolidated set of Android security patterns to help developers build secure storage, robust network defenses, and safe authentication flows.

Core Features & Use Cases

• Secure Storage: use EncryptedSharedPreferences and Android Keystore to protect tokens and credentials.
• Network Security: implement a correct network security config and certificate pinning where appropriate.
• Input Validation & Safe Logging: enforce input validation and avoid logging secrets.
• Biometric Authentication: integrate biometric prompts to protect access to sensitive data.
• Code Hardening: apply ProGuard/R8 rules to prevent leakage of sensitive logic.

Quick Start

Integrate these patterns into your Android project by enabling encrypted storage, enabling secure keystore keys, configuring network security, and adding biometric authentication where needed. Start by implementing EncryptedSharedPreferences for token storage, then wrap keys with Android KeyStore and set up a network-security-config with TLS pinning for your API.