How Private Are X's Encrypted DMs REALLY?

X, the platform formerly known as Twitter, rolled out "encrypted messages" this year!
We explain how to use it, who is eligible, but we also dive into the nitty gritty of how this encryption has been implements, and why we don't think you should trust it for anything sensitive. There are better E2EE messaging apps out there.

00:00 X introduces Encrypted Messaging
02:53 How to Send Encrypted Messages on X
03:30 Who Can Use X’s Encrypted Messages?
03:57 Should You Use X’s Encrypted Messaging?
06:13 Deep Dive: How They've Implemented It
09:54 Problems
12:34 Conclusion

X’s introduction of encrypted messaging is long overdue, and a very welcome feature: It not only brings privacy to a lot more people, but it's also a signal to the entire tech industry that privacy is important. Just be careful not to place too much trust in their encrypted messenger: For anything sensitive, we recommend using a platform with more robust privacy features.

Huge thanks for Matthew Garrett for writing this fantastic summary of the issues:
https://mjg59.dreamwidth.org/66791.html
https://twitter.com/mjg59

Brought to you by NBTV team members: Lee Rennie, Cube Boy, Sam Ettaro, Will Sandoval, and Naomi Brockwell

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