How end-to-end encryption works: why even WhatsApp cannot read your messages
Endpoint security: what end-to-end encryption cannot protect
End-to-end encryption protects a message on its way between two phones. But someone who holds your phone can still see what is on it. What can encryption not protect?
-
1
Rono needs to call a taxi, and his battery is dead. While he holds Miva's phone, a message from you lights up the locked screen. Luckily, Miva has turned previews off: it says only "1 new message".
-
2
With previews on, the first words of your message would have been right there, no key needed. To show them, the phone had already taken the lock off.
The rest of this episode is for subscribers
Subscribe to read every premium episode. You can cancel when you want.
Paid yearly: $99 instead of $119.88