Knowledge base
Application security articles covering mobile app testing, threat analysis, instrumentation, network inspection, and secure QA practices. Browse the newest AppSec articles below or switch tags from the filters.
Android · Jun 4, 2026
A practical guide to Android-focused reverse engineering and mobile security tools from my GitHub star lists: static analysis, dynamic analysis, APK patching, traffic inspection, Frida workflows, emulators, and vulnerable labs.
Android · Jun 4, 2026
A simple practical explanation of SELinux in Android: mandatory access control, domains, contexts, app sandboxing, enforcing mode, audit logs, and what it means for QA and Android security research.
Linux · Jun 4, 2026
A practical explanation of how SELinux policy works on regular Linux distributions compared to Android phones, why Android uses SELinux differently, and what it means for QA, AppSec, reverse engineering, and system debugging.
Android · Jun 3, 2026
A practical Android guide explaining how adb shell helps with app testing, debugging, emulator control, logs, packages, permissions, network checks, screenshots, file access, and mobile security research.
Android · Jun 3, 2026
A practical Android security guide explaining system CAs, user-installed certificates, Network Security Config, TLS trust, certificate pinning, and what this means for mobile app testing.
Android Security · Jun 1, 2026
A practical and personal look at teaching software testing, why one-size-fits-all QA courses often fail, and why mentorship works better when the student is actually ready.
Software Testing · May 30, 2026
A practical look at why QA engineers can move into cybersecurity more naturally than many people think, and how testing experience becomes a real advantage in AppSec, pentesting, and security analysis.