Definitions for "Attacker"
A player who tries to overpower opponents by killing as many balls as possible. Compare defender.
A player trying to score in a game.
Any player who is attempting to score a goal in a game situation
This is anyone who might want your passphrase. It could be your little brother or sister, wife, friends, hacker down the street, law enforcement and many others.
Keywords:  nua, sprint, scanner, net
a Sprint- Net NUA scanner
"an individual who attemtps one or more attacks in order to achieve an objective" [Sandia
The wrestler who currently has Advantage.
a person who tries to gain an advantage by exploiting a security hole
someone who attacks
Someone who wishes to break an encryption system (either by determining the key used, or recovering the plaintext)
Person or institutional entity that is trying to intercept a MESSAGE, without authorization from the sender.
Keywords:  one
One who attacks.