A hacker contacts your phone or E-mails and attempts to acquire your password is called ?
A person who uses his or her expertise to gain access to other people's computers to get information illegally or do damage is a __ ?
Abuse messaging systems to send unsolicited is __ ?
__ are often delivered to PC through an E-mail attachment and are often designed to do harm ?
The phrase __ describe viruses, worms, Trojan horse attack applets and attack scripts?