Describe various types of cyber crimes prevalent these days.

Cyber crimes can be broadly classified into the following categories:

1. Cyberstalking — It is a crime in which the attacker harasses a victim by using electronic communication, such as an e-mail, instant messaging, or messages posted to a website or a discussion group.
2. Cyberbullying — It is an act of harming or harassing using information technology in a deliberate manner.
3. Cyberespionage — It is the practice of using information technology to obtain secret information without permis­sion from its owners or holders.
4. Cyberwarfare — It involves the use of information technology by a nation to penetrate another nation's networks to cause damage or disruption.
5. Cyberterrorism — Cyberterrorism is the act of conducting terrorism through the use of computers and the internet in order to cause fear and panic.
6. Cyber Extortion — It is a crime that involves an attack coupled with a demand for money to stop further attacks.
7. Sexting — Sexting means sending or forwarding exposed, sexual material to others without taking their consent.