Dictionary of Information Security

idea, and an idea considered as a replicator, particu-

larly with the connotation that memes parasitize

people into propagating them, much as viruses do.

See hoax and sig virus.

meme virus see hoax

memory resident virus virus that stays in memory after it

executes, and infects other files when certain condi-

tions are met. In contrast, non-memory resident

viruses, called direct action, are active only while an

infected application runs.

message authentication code (MAC) data element asso-

ciated with a message that allows a receiver to verify

the integrity of the message

message digest see digest

metavirus see hoax

Michelangelo “descendent” of the Stoned boot

sector/MBR virus, this program carries a damaging

payload that triggers when the computer is booted ...