Malware - the name is a contraction of "malicious software" - is programming or files that are developed for the purpose of doing harm. Thus, malware includes viruses, worms, and Trojan horses.
... (+ 1967)
May 6 - Harry Martinson, swedish author, winner of the Nobel Prize in literature
May 11 - Salvador Dalí, artist
May 17 - Jean Gabin[?], actor (+ ...