Physical Security Measures
Mark Michael, Research in Motion Ltd., Canada
There are different ways to subdivide the field of information security. This Handbook, for instance, is broken into hundreds of interrelated chapters. This particular chapter views information security as being composed of only two parts: cybersecurity and physical security.
Cybersecurity protects information assets in the form of ones and zeroes against threats that come in the form of other ones and zeroes designed to cause unauthorized changes in or to make unauthorized use of an information asset. A virus is an example of a cyberthreat, and virus-protection software is a corresponding cyberdefense.
The role of physical security is to protect the physical ...