$ nc -v hexlab 443

Open a channel

An interesting challenge, a collaboration, a question about exploitation or compliance? Write. I read everything, and I take it seriously.

// message

Send a message

Handled by a Cloudflare Pages Function, no third party: the message is logged on Cloudflare and/or forwarded by email. Nothing is shared with a middleman.

// direct channels

Other ways

// encrypted

PGP public key

For anything sensitive—responsible disclosure included—encrypt your message. Fingerprint:

4A2F 9C71 0E3B 88D4 1F62 E5A0 7B9C 3D18 6F44 02BE -----BEGIN PGP PUBLIC KEY BLOCK----- mDMEZ... (example block — replace it with your real key exported via `gpg --armor --export YOUR_ID`) -----END PGP PUBLIC KEY BLOCK-----
// responsible disclosure Found a flaw in one of my projects? Thank you. Contact me privately first, allow a reasonable time to fix, and I'll gladly credit you.