IT Security

IT Security has come to the forefront lately due to the huge number of attacks on IT assets, many of them high profile and showing how successful and financially rewarding these can be. Though the basic principles of IT Security have not changed that much, the manner in their application, tools, and operationalization has, due to the ever-changing methods of attack and technology itself. One of the challenges to a newcomer to IT Security is the immense amount of data available out there, dealing with specific security challenges, the problem is really where to start. This chapter talks about the basic architectures, methods, and measures used in IT Security to protect one’s assets which will serve as a launchpad to the reader to know where he can further explore and understand. As usual, process, methodology, and policies are essential for the proper implementation of IT Security, as well as the different technology components which are the manifestation of these policies, and all these are discussed.