Book teaches anyone interested to an in-depth discussion of what hacking is all about and to save yourself. Book provides techniques and tools which are used by both criminals and ethical hackers, all the things that you will find here will show you how information security is compromised and how you can identify an attack in a system that you are trying to protect. Furthermore, you will also learn how you can minimise any damage in your system or stop an ongoing attack. This book is written for the benefits of user to save himself from hacking.