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Layered security also applies to physical security. Army and U.S.G.S references at the end of this chapter. Using best practice recommendations, the organization implements reasonable and appropriate controls intended to deter, delay, detect, and detain human intruders.įor additional guidance on the details of physical security survey/assessment tasks and expected results, see the U.S. Like the logical risk assessment described in Chapter 2, the physical security risk assessment identifies threats, pairs them with vulnerabilities, and determines the probability of successful attacks. Risk assessmentīecause we base all security controls on risk, the first step in a physical security program is the r isk assessment: sometimes called a physical security survey. The basic principles of assessing and managing risk are the same for physical security as for configuring logical controls in the data center. All of this leads us back to the risk formula we examined in Chapter 2: Finally, controls help mitigate opportunities, increase required skills, and mitigate the business impact resulting from a successful intrusion. Further, intruders seek opportunities that do not exceed their ability (means) to exploit. The same things drive physical intruders that drive cyber criminals: motives like money, advancement of a social agenda, etc. Through all physical security planning, we must remember one very important principle: ensuring human safety is the most important outcome.

We identify gaps with physical security risk assessments and surveys, similar to those used for logical security. Human intervention includes on-site security guards, police, or other relevant human controls.Īchieving physical security objectives requires policies, standards, guidelines, and controls addressing prevention, detection, delay, response, and assessment. Said another way, the purpose of physical security is to delay an intruder’s advance toward a target long enough to detect and respond with human intervention.

It is in the second sentence of our definition that we find the objectives of physical security.

The first part of this definition is common to all security efforts we cannot stop a highly motivated attacker. A balanced security system provides protection against a defined set of threats by informing the user of attempted intrusions and providing resistance to the would-be intruder’s attack paths (USGS, 2005, p. There is no object so well protected that it cannot be stolen, damaged, destroyed, or observed by unauthorized individuals. The best definition I could find for physical security is available from the United States Geological Survey: When you finish, you will have the skills necessary to have an informed discussion with facilities and business management about what is right and what is missing in your organization’s physical security plan. In this chapter, we look at the objectives of physical security and various controls to meet those objectives.

Shadowed steel assault rifle youtube review