Introduction
(Ciampa, 2008). “Information security protects the confidentiality, integrity and availability of information on the devices that store, manipulate and transmit the information through products, people and procedures. The main goals for Information security are to prevent data theft, thwart identity theft, avoid the legal consequences of not securing information, maintain productivity and foil cyber terrorism. The challenge to keep computers secure is becoming increasingly difficult.”

Data Security and intrusion prevention are major concern for basic system security. A good backup plans and techniques secures the data loss and data security, correct authentication helps in prevention of unauthorized access of system from external network and thus prevent loss of data and vital information. Locking system and password protection secures break in security issues.

Protection of data and information from being theft, corruption or natural disaster is main objective of system security. The term computer system security means, the collective processes and mechanisms by which sensitive and valuable information and services are protected from publication, tampering or collapse by unauthorized activities or untrustworthy individuals and unplanned events respectively.

System Security methods or design which shows different security controls are placed and how they are involved with information technology. To maintain system quality attributes like integrity, availability, confidentiality and assurance a controlled and structured security plans must be adapted.

HARDENING http://4.bp.blogspot.com/_68sk2PaFt3Q/SxON3VrkPRI/AAAAAAAAE3s/_jp7McIJx-I/s1600/Prevent%20Changes%20To%20A%20Registry%20Key%20In%20Windows%20%20Avoid%20Softwares%20To%20Modify%20Your%20Registry.jpg What is Hardening

Hardening is a process for securing the system by