Contact
Reach us the safe way.
If your message is sensitive, skip the form and use a secure channel below. The form travels over plain email.
Secure channels
Email + PGP — secure@sifr.network
3F2A 9C81 B4D7 0E6F 8A2C 5D19 7F3E 4B6A 1C0D 9E8F
Full key published as a file at sifr.network/pgp-key.asc — never trust a fingerprint sent only in the body of a message you're verifying.
Signal — +00 555 017 42 (messages only, no calls; number rotates annually)
If none of these are safe for you, write from a throwaway account and tell us how to reach you.
Media inquiries: we're happy to talk about the network's work in general terms. We never comment on specific members, partners, or cases — please don't ask.