It is not uncommon to receive an anonymous email from a disgruntled and past employee. The mail usually speaks about the faulty administration, loopholes and existence of favourtisim. Every email has an email header which contains IP address of the sender. We use this IP address to find out the sender's name and address. Apart from above, there are cases of misuse of resources and infiltration by a third party. We have a team which can detect such kind of activities Hacking in simple terms means an illegal intrusion into computer system and on network.