I’m under the impression that it would take all of the computers in the world a gagillion years to brute force break aes-256… when quantum computing becomes a thing that may change things. I mean all of the gov cloud and/or other sensitive data in the cloud is all aes256…. Dod, nsa, banks, hedge funds, etc….
Now letting someone see shyte in the clear obviously happened but that’s not “signals” fault it’s the ding dong that let him in the room.