Cybercrime
piracy the crime of illegally copying and selling music, books, films etc.
to hack to use a computer to get into someone else's computer system without their permission .
identity theft a crime involving illegally using someone else's identity
cyberstalking the use of the internet to repeatedly harass (upset or threaten) someone
a scam a trick involving getting someone's trust then exploiting it (e.g. by stealing money from them)
to draw you in to get your confidence and trust
a conman someone who uses scams to exploit people
a cyber attack, cyber warfare the use of computers to attack or fight a war through electronic systems
http://www.bbc.co.uk/worldservice/learningenglish/radio/specials/144_6minute/page18.shtml