Dave Aitel (born 1976) is a computer security professional. He joined the NSA as a research scientist aged 18 where he worked for six years before being employed as a consultant at @stake for three years. In 2002 he founded a security software company, Immunity, where he was the CTO up until December 31, 2020.

Aitel co-authored several books:

He has also written several security tools:

Dave Aitel is an infrequent guest on the Fox News Channel, where he provides commentary on information security news.