What Is Physical Security?

Written by Coursera Staff • Updated on

Explore what physical security is, why it’s important, and how to maintain it.

[Featured image] A security engineer is doing maintenance on his company's physical server machines.

Key takeaways

Physical security refers to the measures and controls, such as hardware and software, used to protect physical assets within an organization.

  • Physical security is critical because it protects people, equipment, and facilities from potential threats.

  • Implementing access restrictions, surveillance systems, and physical security assessments are three methods for establishing physical security throughout your organization.

  • You can put access restrictions, such as biometric systems, in place to limit who can enter certain areas of your organization.

Discover the purpose of physical security, why it’s important to your organization, and how to put these measures in place. If you’re ready to enhance your cybersecurity skills, enroll in the Google Cybersecurity Professional Certificate, where in as little as six months, you can learn about debugging, threat modeling, network security, incident response, and more.

 

What is physical security?

Physical security refers to the measures and controls used to protect physical assets within an organization. This might include people, hardware, software, data, and networks. You can maintain physical security by restricting access to places or networks, creating protections against environmental hazards, or increasing security monitoring.

What is the purpose of physical security safeguards?

Physical security is important because it protects people, equipment, and facilities from harm. Physical security can be thought of as the first layer of protection against potential threats, keeping unauthorized people away from sensitive information and places. While some organizations limit physical security to the front door, you can layer physical security measures and safeguard against several types of threats. These layers work together to create a safer physical environment, decreasing risks to the business, organization, individuals, and information.

What are examples of physical security?

Examples of physical security include things like CCTV cameras, traffic surveillance cameras, smart sensors, and other devices used to ensure the safety and security of a given area. Physical security also includes the personnel overseeing these devices and implementing additional security plans.

How to maintain physical security

You can layer physical security in multiple ways. Some common types of physical security measures employed within an organization include:

Access restrictions

You can put access restrictions in place to limit who is able to enter certain areas, including spaces that may contain protected equipment and information. You can achieve this by using locks, security guards, key card systems, biometric systems, or other methods. If a breach occurs, there should be lockdown controls and an alarm system to indicate the compromised state of the building.

Read more: Data Security Breach: What They Are, How They Happen, and More

Surveillance systems

Install surveillance systems like video cameras to monitor the premises and detect suspicious activity. These systems can serve as both a deterrent and a means of recording evidence in the event of an incident.

Disaster management systems

Protection against natural disasters such as fires, hurricanes, floods, and earthquakes can be critical in certain areas. This can involve elevated floors, fire suppression systems, data backups, and building reinforcements.

Physical security assessments

To ensure you are adequately protecting your company, security systems should be regularly tested. This can also act as a “test run” for companies to assess how they respond to security threats and what areas they may need to improve upon. If procedures do not run smoothly during testing, organizations can implement new policies in case a real event occurs.

What is a physical security specialist?

A physical security specialist investigates unusual activity to identify threats in specific areas. This may involve job responsibilities such as setting up and maintaining video surveillance systems, overseeing the design and implementation of new security systems, and making ongoing recommendations to improve current infrastructure.  

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