
As we all know now its 21st century, the whole world had changed. Computers are the daily need of people, all things are done using whether it is chatting, banking, surfing, blogging, many more. Many private files important documents, many more are kept inside Computer, it is good, but there also arises a problem - If someone else is accessing your private information and messing with it. There arises a lots of problem in Computer Security and how to secure it. Hackers used all those vulnerability to gain access to all those private information.