I'll be presenting a review of some metadata protections implemented by instant messengers at Pass the Salt 2025!
The studied messengers are @signalapp @olvid_io @matrix and @simplex
cfp.pass-the-salt.org/pts2025/…
I'll be in touch with the vendors to share with them what I'm gonna say about them, to give them the chance to respond to my observations.
Metadata Protection in Instant Messaging Applications: a Review PTS2025
This talk covers the obvious issue of long-term identities and the construction of the social graph and how some protections supposed to thwart the social graph recovery are flawed.cfp.pass-the-salt.org
