Contact
Email: contact@bersec.me
Proton-to-Proton mail is end-to-end encrypted by default — no PGP setup needed if you're also on Proton.
PGP
Public key: on request. Send a short email with the context (disclosure / case / other) — I'll reply with the key and fingerprint for verification.
For disclosure: see also /.well-known/security.txt (RFC 9116) and /security .
Signal
Signal — on request. After a short email we'll exchange usernames.