X’s new XChat promises “end-to-end” privacy — but its current implementation leaves several simple, well-known privacy protections out in the open, and experts warn that the feature as shipped can expose users to avoidable risks ranging from leaked image metadata to a service operator or insider...
auditing
data retention
end-to-end encryption
exif
forward-secrecy
four-digit-pin
metadata leakage
metadata-control
open source
pfs
privacy
privacy hygiene
secure communication
security research
server-side-keys
threat model
windows
xchat
