🔒 How I Built ATLOCK v4 — A Deep Technical Breakdown of a Windows Security Suite

Short summary

ATLOCK v4 is a Windows desktop security suite combining file protection, password vaulting, intruder detection, camera evidence capture, system lockdown, and notifications into a modular architecture. Key design decisions include PBKDF2-derived Fernet encryption for the vault, NTFS ACLs for file protection, OpenCV-based intruder capture, and multi-threaded operation to keep the UI responsive. The project demonstrates an event-driven security pipeline focused on detecting and recording attacks rather than just blocking them.

• •ATLOCK v4 combines file protection, password vault, intruder detection, camera evidence, and lockdown in one Windows app
• •Uses PBKDF2-Fernet encryption, NTFS ACLs, OpenCV, and multi-threaded architecture
• •Design philosophy prioritizes making attacks visible over attempting to block everything

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