HZV hosts several repositories or copies of missing repos.

• CEH repo

CEH certification related documentation.

• HZV repo

All HZV content.

• madchat repo

Backup of the famous madchat repo.

• Milw0rm repo

old milw0rm backup.

• Ouah repo

Mirror of ouah.org.

• Phrack repo

The world-famous ezine Phrack.