Similar to Keygen

Brute-force attack

Timing attack

Birthday attack

Meet-in-the-middle attack

Man-in-the-middle attack

Password cracking

Replay attack

Frequency analysis

Rainbow table

Tempest (codename)

Template:Malware

Malware

Back Orifice

Yahoo Assistant

Code Red (computer worm)

DarkHotel

Emotet

Gumblar

Linux.Wifatch

Mirai (malware)

Nimda

Peacenotwar

Petya (malware family)

Phorm