Send us Fan Mail Nine million images. No password. No encryption. And the defence was basically: “It wasn’t public because you had to know the URL.” That single line opens up one of the most important CISSP Domain 2 conversations you can have: security through obscurity is not access control, and a hidden address is not a key. We take this real data exposure and translate it into the kind of manager-level reasoning the CISSP exam demands, not memorised trivia. We then zoom out into Asset Sec...