Locked chats move a thread out of the sidebar. OpenAI's help page says the lock does not encrypt it, does not change how long they keep it, and does not change the training toggle.
The October 16 posts say agents broke into Indian companies. The October 15 advisory says none of those companies detected the access, and the labs disclosed it after their own review.
The October 16 posts say Claude closed a 25-year seed mystery in half an hour. The write-up says P-256's seed is a 1997 clock, and the same run had already made a valid curve it did not publish.
The October 16 posts say the agent stole a wallet. The October 15 report says it used a public developer phrase, wrote Fine, and the completion left the account out.