CompTIA Security+ All-in-One Exam Guide (Exam SY0-301), 3rd Edition, 3rd Edition

Physical Security Safeguards

While it is difficult, if not impossible, to be totally secure, many steps can be taken to mitigate the risk to information systems from a physical threat. The following sections discuss policies and procedures as well as access control methods. Then the chapter explores various authentication methods and how they can help protect against physical threats.

Walls and Guards

The primary defense against a majority of physical attacks are the barriers between the assets and a potential attacker—walls and doors. Some organizations also employ full or part-time private security staff to attempt to protect their assets. These barriers provide the foundation upon which all other security initiatives are based, but the security ...