| Hacker | Handshake | Hashing | Hayes | HBCI | HDLC | HDML | HDSL | Header | HiperLAN/2 | Hit | Hoax | Home-Banking | Homepage | HomePNA | Honeypot | Hop | Host | Hostname | hosts | Hotspot | HSCSD | HSDPA | H.323 | HSUPA | H.324 | .htaccess, .htpasswd | HTCP | HTML | HTML Tidy | HTML+TIME | HTTP | HTTP Statuscodes | HTTPNG | HTTPS | Hub | HWG | Hybride Verschlüsselung | Hyperlink | Hypertext