An organization is concerned about hackers potentially entering a facility and plugging in a remotely accessible Kali Linux box. Which of the following should be the first lines of defense against such an attack? (Choose two.)
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The questions here covered about 50% of the exam, so my tip is: Focus on the questions and come up with your own answers, the exam might surprise you.
There are like 400 questions on this page, you don't maybe know which of the questions here are on the exam? I studied all 300 questions and now they added another 100, it's messing me up.
We are asked for the first line of defense. Not the most versatile, or best combination. What if we had it all, which ones would be the first two. Well we have to stop the adversaries from entering the facility of course. Access control vestibules and guards do this. Then we have the more technical solutions such as Mac filtering or NAC, but as I noted, we need to pick the two which would be our first line of defense.
Those are the first lines of defense D. Physical Security and C. Information Security.
D. Access Control Vestibules represent a physical security measure. By physically preventing unauthorized individuals from entering a facility, you add a first line of defense against any intrusions, including someone trying to plug in an unauthorized device.
C. Network Access Control (NAC) is an information security measure. By controlling which devices can access the network based on predefined security postures, you add a digital line of defense to ensure that even if someone gets past the physical security, they can't just plug in a device and access the network.
Together, they form the first lines of defense on both the physical and digital fronts.
First line of defense: Implementing physical security measures.
Second line of defense: Implementing technical security measures.
First, you physically block the intruder from entering the facility using things like access control vestibules, fences, and security guards. If they bypass the physical security, we move to technical security, including MAC filtering and network access control.
First line of defense: D & E
A,B, & C are second lines of defense
Bollards just prevent a vehicle from crashing in. Without them, if someone crashed in, they would be spotted immediately.
The correct answer for the FIRST line of attack SHOULD be D & E, however, if they mean technical controls, then it's B & C. MAC filtering is pretty lame since it can be compromised in seconds.
I choose DE because its asking for first line of defense before attacker can jack in a kali linux box, so i dont see why NAC would be necessary if a guard and vestibules are available options
C and D are both physical controls and it is quite possible to perform social engineering so that the guard might let the attacker in. If this is a possibility then there has to be a technical control too which is NAC. So I go with NAC and vestibule
The Question has Key giveaways, (concerned about hackers potentially entering a facility and plugging in a remotely accessible Kali Linux box) They are walking into the facility Physically. The intent is to plug in a Laptop, A cellphone, rasberry pi, or tablet with kali. Then connecting physically. So you would require physical deterrents. Such as guards and Access control Vestibules. Don't overthink it and keep it simple. D and E.
A second line of defence to add is (NAC) is a technique that restricts access to a network based on the identity, role, device, location, or other criteria of the users or devices. But the Initial applies as stopping the One way in and one way out physical entry. A concern for Insider threat would be to apply NAC. But that would be already in play before hand for the Network.
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A (35%)
C (25%)
B (20%)
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