signal messenger – Weekly Geek

Why Signal’s post-quantum makeover is an amazing engineering achievement

To provide these confidentiality guarantees, the Signal Protocol updates secret key material each time a message party hits the send button or receives a message, and at other points, such as in graphical indicators that a party is currently typing and in the sending of read receipts. The mechanism that has made this constant key… Read More »

“Microsoft has simply given us no other option,” Signal says as it blocks Windows Recall

But the changes go only so far in limiting the risks Recall poses. As I pointed out, when Recall is turned on, it indexes Zoom meetings, emails, photos, medical conditions, and—yes—Signal conversations, not just with the user, but anyone interacting with that user, without their knowledge or consent. Researcher Kevin Beaumont performed his own deep-dive… Read More »