When I started building ATLOCK, I initially thought about file protection as an encryption problem. Then I realized something: Encryption and access control solve different problems. So for ATLOCK's File Guard, I went in a different direction. Instead of encrypting every protected file, ATLOCK uses Windows NTFS Access Control Lists (ACLs) to control which identities are allowed to access protected files and directories. That sounds simple. The implementation isn't. 🔒 Why NTF...