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Recent Posts

  • Identifying Physical Security Access Controls

    Identifying Physical Security Access Controls

    Physical security access controls attempt to control entry and exits, and organizations commonly implement different controls at different boundaries. If you’re planning to take the Security+ SY0-501 exam, you should have a good understanding of the importance of physical security controls. For example, can you …
  • Schmucks Still Scamming and Stealing

    Schmucks Still Scamming and Stealing

    The IRS* called me recently and left a message on my phone. Apparently, they issued a warrant for my arrest and plan to notify the local police to find and arrest me if I don’t pay them an unspecified sum. …
  • Organizational Security Policies

    Organizational Security Policies

    Written security policies are administrative controls that identify a security plan. If you’re planning to take the Security+ SY0-501 exam, you should have good understanding of the importance of policies, plans and procedures related to organizational security. Personnel create plans and procedures to implement security …
  • Understanding Advanced Security Devices

    Understanding Advanced Security Devices

    If you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding of advanced security devices used to secure networks. For example, can you answer this practice test question? Q. Of the following choices, what can …
  • Using Security Tools

    Using Security Tools

    Several security tools are available for use by security professionals and attackers alike. If you’re planning to take the Security+ SY0-501 exam, you should have basic understanding of using appropriate software tools to assess the security posture of an organization such as using command …
  • Early Detection Saves Lives

    Early Detection Saves Lives

    Chances are that you know someone that has breast cancer. Even if you and the other person don’t know it. However, in this case ignorance is not bliss. What you and others don’t know can kill. About six months ago, I …
  • Secure Staging Deployment Concepts

    Secure Staging Deployment Concepts

    Another concept within secure systems design is secure staging and deployment concepts. If you’re planning to take the SY0-501 version of the Security+ exam, you should be able to explain the importance of secure staging deployment concepts. These include sandboxing, controlling the …
  • DER and CER Certificates

    DER and CER Certificates

    What is the difference between DER and CER encoded certificates?  CompTIA added these into the SY0-501 version of the Security+ exam, so if you plan to take it, you should have a good understanding of these encoding types. The primary differences are: Canonical …
  • Advanced Attacks and Countermeasures

    Advanced Attacks and Countermeasures

    Attackers lurk almost everywhere. If you have computer systems, you can’t escape them. However, you can be proactive in identifying the different types of attacks and take steps to prevent them, or at least prevent their effectiveness. If you’re planning …
  • 7 Steps to Security+ (SY0-501) Certification

    7 Steps to Security+ (SY0-501) Certification

    The CompTIA Security+ certification is a popular certification within the IT field. One IT hiring manager told me that if a résumé doesn’t include the Security+ certification, or a higher-level security certification, he simply sets it aside. He won’t even talk to …
  • Security+ and Subtle Phrases

    Security+ and Subtle Phrases

    If you’re planning to take the SY0-501 version of the Security+ exam, you may run across questions with subtle word choices. For example, a question could have one answer correct. However, a subtle change in a phrase in a question would make …
  • Firmware/Hardware Security

    Firmware/Hardware Security

    If you’re planning to take the Security+SY0-501 exam, you should have a basic understanding of implementing secure systems design. This includes firmware/hardware security,  operating systems, and peripherals. For example, can you answer this question? Q. What functions does an HSM include? A. Reduces …
  • Using Command-Line Tools

    Using Command-Line Tools

    Command-line tools can be invaluable when troubleshooting or analyzing systems. If you know how to use them, they can make many tasks easier.  More, if you’re planning to take the SY0-501 version of the Security+ exam, you should have a basic understanding …
  • Memory Management Techniques

    Memory Management Techniques

    Many application attacks take advantage of vulnerabilities in a system’s memory. Because of this, it’s important for developers to use secure memory management techniques within their code.  If you’re planning to take the SY0-501 version of the Security+ exam, you should have a …
  • Free Cyber Security Tips

    Free Cyber Security Tips

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Identifying Physical Security Access Controls

Posted by on December 10 in Security+ | 0 comments

Physical security access controls attempt to control entry and exits, and organizations commonly implement different controls at different boundaries. If you’re planning to take the Security+ SY0-501 exam, you should have a good understanding of the importance of physical security controls.

For example, can you answer this practice test question?

Q. Thieves recently rammed a truck through the entrance of your company’s main building. During the chaos, their partners proceeded to steal a significant amount of IT equipment. Which of the following choices can you use to prevent this from happening again?

A. Bollards

B. Guards

C. CCTV

D. Mantrap

More, do you know why the correct answer is correct and the incorrect answers are incorrect? The answer and explanation are available at the end of this post.

Securing Access with Barricades

In some situations, fencing isn’t enough to deter potential attackers. To augment fences and other physical security measures, organizations erect stronger barricades. As an example, military bases often erect strong, zigzag barricades that require vehicles to slow down to navigate through them. This prevents attackers from trying to ram through the gates.

Businesses and organizations need to present an inviting appearance, so they can’t use such drastic barricades. However, they often use bollards, which are short vertical posts, composed of reinforced concrete and/or steel. They often place the bollards in front of entrances about three or four feet apart. They typically paint them with colors that match their store. You’ve probably walked through a set of bollards multiple times without giving them a second thought. However, thieves who are contemplating driving a car or truck through the entrance see them.

Many thieves have driven vehicles right through the front of buildings, and then proceeded to steal everything in sight. Depending on the strength of the walls, criminals might even be able to drive through a wall with a truck. Strategically placed bollards will prevent these types of attacks.

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The 501 Version of the Study Guide

The CompTIA Security+: Get Certified Get Ahead: SY0-501 Study Guide is an update to the top-selling SY0-201, SY0-301, and SY0-401 study guides, which have helped thousands of readers pass the exam the first time they took it.  It includes the same elements readers raved about in the previous three versions.

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  • A 75 question post-test
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Each practice test question includes a detailed explanation to help you understand the content and the reasoning behind the question. You’ll be ready to take and pass the exam the first time you take it.

If you plan to pursue any of the advanced security certifications, this guide will also help you lay a solid foundation of security knowledge. Learn this material, and you’ll be a step ahead for other exams. This SY0-501 study guide is for any IT or security professional interested in advancing in their field, and a must-read for anyone striving to master the basics of IT security.

Kindle edition also available.

Preventing Tailgating with Mantraps

A mantrap is a physical security mechanism designed to control access to a secure area through a buffer zone. Personnel use something like a proximity card to gain access, and the mantrap allows one person, and only one person, to pass through. Because they only allow one person through at a time, mantraps prevent tailgating. Mantraps get their name due to their ability to lock a person between two areas, such as an open access area and a secure access area, but not all of them are that sophisticated.

An example of a simple mantrap is a turnstile similar to what you see in many public transport systems. Even if you’ve never ridden the subway in one of many U.S. cities or the Tube in London, you’ve probably seen turnstiles in movies such as While You Were Sleeping. When customers present a token, the turnstile unlocks and allows a single person through at a time. Similarly, users unlock the turnstile mantrap with something like a proximity card.

A sophisticated mantrap is a room, or even a building, that creates a large buffer area between the secure area and the unsecured area. Access through the entry door and the exit door is tightly controlled, either with guards or with an access card such as a proximity card.

It’s also possible to require identification and authentication before allowing passage through a mantrap. For example, a retina scanner can identify individuals and restrict access   to only authorized individuals. Similarly, some card reader systems support the use of unique PINs assigned to the user. Users present their card and enter their PIN to gain access before the mantrap opens.

Full Security+ Course

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CompTIA Security+: Get Certified Get Ahead: SY0-501 Study Guide

  • Introduction
  • About the exam (including information on the number of questions, test duration, passing score, types of questions and more. Also includes a listing of the exam objectives)
  • 75 question pre-assessment exam
  • Mastering Security Basics (full content from Chapter 1 of the study guide including the exam topic review and 15 practice test questions)
  • Understanding Identity and Access Management (full content from Chapter 2 of the study guide including the exam topic review and 15 practice test questions)
  • Exploring Network Technologies and Tools (full content from Chapter 3 of the study guide including the exam topic review and 15 practice test questions)
  • Securing Your Network (full content from Chapter 4 of the study guide including the exam topic review and 15 practice test questions)
  • Securing Hosts and Data (full content from Chapter 5 of the study guide including the exam topic review and 15 practice test questions)
  • Comparing Threats, Vulnerabilities, and Common Attacks (full content from Chapter 6 of the study guide including the exam topic review and 15 practice test questions)
  • Protecting Against Advanced Attacks (full content from Chapter 7 of the study guide including the exam topic review and 15 practice test questions)
  • Using Risk Management Tools (full content from Chapter 8 of the study guide including the exam topic review and 15 practice test questions)
  • Implementing Controls to Protect Assets (full content from Chapter 9 of the study guide including the exam topic review and 15 practice test questions)
  • Understanding Cryptography and PKI (full content from Chapter 10 of the study guide including the exam topic review and 15 practice test questions)
  • Implementing Policies to Mitigate Risks (full content from Chapter 11 of the study guide including the exam topic review and 15 practice test questions)
  • 75 question post-assessment exam
  • Glossary

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Random practice tests from the all of the practice test questions in the CompTIA Security+: Get Certified Get Ahead: SY0-501 Study Guide. All questions include explanations so you'll know why the correct answers are correct, and why the incorrect answers are incorrect.

3 sets Performance-based Questions

Three new sets of performance-based questions with a total of 30 questions. These new questions use a new testing engine that includes realistic drag and drop, matching, sorting, and fill in the blank questions.

Flashcard Set

  • 494 Online Security+ Glossary Flashcards
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  • 223 Online Security+ Remember This Slide from the popular CompTIA Security+ Get Certified Get Ahead: SY0-501 Study Guide

Audio - SY0-501 Security+ Remember This Audio Files

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Monitoring Areas with Cameras

Organizations are increasingly using security cameras in the workplace and surrounding areas for video surveillance. This includes areas outside of a building, such as a parking lot, and all building entrances and exits. Additionally, many organizations use cameras to monitor internal entrances of high-security areas, such as the entrance of a data center or server room.

Cameras are connected to a closed-circuit television (CCTV) system, which transmits signals from video cameras to monitors that are similar to TVs. In addition to providing security, CCTV can also enhance safety by deterring threats.

Organizations often use video cameras within a work environment to protect employees and enhance security in the workplace. In addition to live monitoring, most systems include a recording element, and they can verify if someone is stealing the company’s assets. By recording activity, videos can be played back later for investigation and even prosecution.

Identifying Physical Security Access Controls

Video surveillance provides the most reliable proof of a person’s location and activity. Access logs provide a record, but it’s possible to circumvent the security of an access log. For example, if Bart used your proximity card to gain access to a secure space, the log will indicate you entered, not Bart. In contrast, if the video shows that Bart entered the room at a certain time of day, it’s not easy for Bart to refute the video.

When using video surveillance in a work environment, it’s important to respect privacy and to be aware of privacy laws. Some things to consider are:

  • Only record activity in public areas. People have a reasonable expectation of privacy in certain areas, such as locker rooms and restrooms, and it is often illegal to record activity in these
  • Notify employees of the surveillance. If employees aren’t notified of the surveillance, legal issues related to the video surveillance can arise. This is especially true if the recordings are used when taking legal and/or disciplinary actions against an
  • Do not record audio. Recording audio is illegal in many jurisdictions, without the express consent of all parties being recorded. Many companies won’t even sell surveillance cameras that record audio.

Security+ Practice Test Questions

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Over 300 realistic Security+ practice test questions

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Q. Thieves recently rammed a truck through the entrance of your company’s main building. During the chaos, their partners proceeded to steal a significant amount of IT equipment. Which of the following choices can you use to prevent this from happening again?

A. Bollards

B. Guards

C. CCTV

D. Mantrap

Answer is A. Bollards are effective barricades that can block vehicles.

Guards can restrict access for personnel, but they cannot stop trucks from ramming through a building.

Closed-circuit television (CCTV) or a similar video surveillance system can monitor the entrance, but it won’t stop the attack.

Mantraps prevent tailgating, but they most likely won’t stop a truck.

See Chapter 9 of the CompTIA Security+: Get Certified Get Ahead: SY0-501 Study Guide  for more information on physical security controls.

CompTIA Security+ Get Certified Get Ahead: SY0-501 Study Guide

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