In This Chapter
Understanding access control concepts
Discovering identification and authentication techniques
Knowing access control services and categories
Testing access control mechanisms
Access control is at the heart of information security. For that matter, access control is at the heart of all security. During medieval times, castles were built to provide safety and security. The castle was normally built in a strategic location with towering walls surrounded by a moat. Battlements were positioned along the top of the wall with bastions at the corners. A heavily fortified and guarded entrance was secured by a drawbridge to control entry to (and departure from) the castle. (See Chapter 13 for more information about building a secure castle, uhh, facility.) These measures created a security perimeter, preventing hostile forces from freely roaming through the castle grounds and attacking its inhabitants. Breaching the perimeter and gaining entry to the castle was the key to victory for an attacking force.The castle’s inner defenses were relatively simple; ...