Final Fantasy 14 has a technical problem—it's been ongoing for a few months now, but the jist of it is this: A change to the game's blacklist system, designed to help reduce stalking, accidentally opened the door for modders to obtain info on every character their targets had, making them more vulnerable than they were before. Square Enix tried to fix the issue, but it didn't work.
At the time of writing, FF14's client sends a scrapable (but hidden) account ID to a client when a player, say, pops up on a search list. This ID has some layers of obfuscation on it, but as seen in the link above, it's long since been cracked.
