Hacking is amongst the gravest Cybercrimes known till date. In simple terms it means an illegal intrusion into a computer system and/or network. Every act committed towards breaking into a computer and/or network is hacking. Some hackers hack for personal monetary gains, such as to stealing the credit card information, transferring money from various bank accounts to their own account followed by withdrawal of money. The offence is punishable under Section 66 of the IT Act,2000.