Physical Security Measures

Mark Michael, Research in Motion Ltd., Canada


Overview of the Physical Security Domain

The Temporal Dimension of Physical Security

The Spatial Dimension of Physical Security

The Human Dimension of Physical Security

The Financial Dimension of Physical Security

Controlling Physical Access and Fire

Barriers and Openings

Fire Prevention

Lighting and Surveillance

Detectors and Alarms

Fire Suppression

Reuse or Disposal of Media

Espionage and “Loose Lips”

Acceptable Use

Sustaining Information Assets

Power Maintenance and Conditioning


The Physical Needs of Information Assets


Hardening Facilities

Human Health and Safety

Recovering from Breaches of Physical Security





Cross References


Further Reading


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 ...

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