Computer crime, or Cybercrime, refers to any crime that involves a computer and a network. The computer may have been used in the commission of a crime, or it may be the target. Netcrime is criminal exploitation of the Internet. Dr. Debarati Halder and Dr. K. Jaishankar (2011) define Cybercrimes as: "Offences that are committed against individuals or groups of individuals with a criminal motive to intentionally harm the reputation of the victim or cause physical or mental harm to the victim directly or indirectly, using modern telecommunication networks such as Internet (Chat rooms, emails, notice boards and groups) and mobile phones (SMS/MMS).” Some examples of computer crimes are as follows:
Child pornography - Making or distributing child pornography.
Cyber terrorism - Hacking, threats, and blackmailing towards a business or person.
Cyberstalking - Harassing others online.
Creating Malware - Writing, creating, or distributing malware (e.g. viruses andspyware.)
Denial of Service attack - Overloading a system with so many requests it cannot serve normal requests.
Espionage - Spying on a person or business.
Fraud - Manipulating data, e.g. changing banking records to transfer money to an account.
Harvesting - Collect account or other account related information on other people.
Identity theft - Pretending to be someone you are not.
Intellectual property theft - Stealing another persons or companies intellectual property.
Phishing - Deceiving individuals to gain private or personal information about that person.
Salami slicing - Stealing tiny amounts of money from each transaction.
Spamming - Distributed unsolicited e-mail to dozens or hundreds of different addresses.
Spoofing - Deceiving a system into thinking you are someone you really are not.
Unauthorized access - Gaining access to systems you have no permission to access.
Wiretapping - Connecting a device to a phone line to listen to