5/19/2023 0 Comments Signal app disappearing messages![]() Signal’s "Disappearing Messages"ĭisappearing messages do have quite a bit of real value in terms of the security and privacy they actually provide, beyond their perceived value of being “spy-movie-level-ultra-secret” messages. Such attacks can also be performed at scale for millions of users, whereas end-to-end encrypted messages can be recovered only by hacking each device. If a sophisticated attacker can intercept that message through a MITM (Man-In-The-Middle) attack, then the message will become available to them. If we had to choose only one of them, apps with E2EE should win almost every time, at least if we’re talking about sophisticated attackers trying to spy on our communications, and not about jealous girlfriends or boyfriends looking through our phones (although Signal itself can protect against that, too, with a password lock).ĭisappearing messages still have to arrive to the other user first, across the network, before the self-destruct sequence is automatically initiated for apps such as Snapchat. This has caused many to wonder whether an app like Signal with strong E2EE but no disappearing messages is more privacy-friendly than one such as Snapchat, which doesn’t use end-to-end encryption at all, but supports self-destructing messages by default.
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