15. Operation Payback was the work of a group who called themselves Anonymous. Anonymous was widely known for its various cyber attacks against several governments, government institutions and government agencies, corporations, and the Church of Scientology. What do we call these computer users who use their knowledge to invade other people's computers? Note: A cyber attack is any type of offensive maneuver that targets computer information systems, infrastructures, computer networks, or personal computer devices 16. Mydoom was a malware computer program that affected Microsoft Windows in 2004. It became the fastest-spreading e-mail malware ever. What do we call this type of malware that spreads itself, not just from file to file, but from computer to computer via e-mail and other Internet traffic? Note: Malware is short for malicious (harmful) software