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Would it still be secure if the attacker\hacker is able to find your username ?
by mandeepj 4y ago
Would it still be secure if the attacker\hacker is able to find your username ?
- tptacek 4y agoIf the messaging app uses a username, then the overwhelming likelihood is that it keeps a serverside database of which usernames are communicating with which other usernames. That problem is the reason apps like Signal use phone numbers instead of usernames --- not because phone numbers are somehow super anonymous, but because it lets them not keep an exposed plaintext contact database on the server.