![]() ![]() After all, you’re sending a message to somebody and intending them to read it. The point was never a SnapChat-like “you can see this once and never again” thing. The intended recipient is not the adversary. The point of self-destructing messages is to prevent somebody else than the recipient from reading them, in case the device is compromised by an adversary later or much later. Unfortunately, most people seem to be missing the point as to their immense value, and even the Signal pages talk of “data hygiene” and a way to “keep message history tidy”, as if the self-destruct was mostly about not cluttering your phone memory with old messages. The one lacking feature has been self-destructing messages, which is why I used Telegram in the most sensitive of environments, despite Telegram’s encryption being significantly weaker and not entirely best practice.īut as of last week, Signal finally added self-destructing messages. ![]() Signal has long been the go-to secure messaging for privacy activists – for long enough that I used to recommend it as TextSecure and RedPhone, before it merged to one app and changed names to Signal. The point of a self-destructing message is not to protect against the recipient, it’s to protect the message from being read by somebody else than the recipient much later if the device is lost, seized, or otherwise compromised. Regrettably, many seem to miss the point of what they’re for. This week, Signal finally introduced self-destructing messages.
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