CompTIA Security+ Job Interview Questions

Organizations today need to find a way to deal with new cybersecurity threats every day. That’s where a CompTIA Security+ certified technician comes in.

CompTIA Security+ is a vendor neutral, renowned certification that allows IT professionals to handle and manage all kinds of security functions on computers and different digital devices. It is the responsibility of the security technician in organizations to keep their systems running smoothly in a safe environment so that critical data is safe from hackers, ransomware, and disgruntled employees.

If you want to build a career in IT security, it is a must that you clear the CompTIA Security+ certification exam. The training for this exam is easy only if you learn from the right source.

If you are already CompTIA Security+ certified and are preparing for a job interview, here are some commonly asked interview questions and their answers.

Q1- How Would You Make A Site Secure Before Logging To It?

Putting your credentials, bank data, and passwords onto a website which is not protected is the biggest mistake most employees in an organization make. Therefore, it is natural that the interviewer will be interested in knowing whether you are aware of it or not by asking you the aforementioned question.

The simple answer to this question is that a web address that starts with HTTP is not secure and you would first make sure that it is converted to HTTPS and then log in to it.

Q2- How Would You Define Cross Site Scripting (XSS) And How Would You Defend It?

Tell the interviewer how you will manage a threat like this one by explaining to them your action plan in detail. Also, be specific when describing XSS and explain to them that Cross Site Scripting is a security issue when an attacker or hacker adds an executable bode within JavaScript. This happens when the database security is compromised or the querystring variables are badly scrubbed.

The best way to handle XSS issue is to defend against JavaScript added to a querystring. Moreover, remove JavaScript from input areas sent through online forms often stored in a database.

Q3- Which Operating System Would You Choose: Windows Or Linux?

There is no ideal answer to this question. So, even if you know that Linux works best in terms of security, make sure you tell detailed pros and cons of each of the Operating Systems before giving your answer. You may also tell the interviewer how Linux is a better choice when working with routers.

Q4- Tell Us The Difference Between A Public Key Cryptography And A Private Key

When it comes to encrypting and signing, it is important to know that when a sender publishes their public key, it is used to encrypt content whereas the private key is used to sign the content. This should be your answer to the aforementioned question.

Q5- What Will You Do To Resolve Multiple Log-In Attempts?

It is quite common for accounts to be hacked and hackers mostly try to crack down the ID by attempting to login multiple times. So, when asked how you will manage this crisis, you shall tell the interviewer that you will create a lockout policy. This means that when someone tries to log into your account multiple times, it will block the account.

Q6- What Is A Firewall Used For?

A firewall controls information packets allowing only a certain type of packets to pass through. It is basically a tool used to filter network traffic.

Q7- How Will You Monitor Malicious Activity On Our Systems?

The best way to monitor malicious activity on a computer is to make use of HIDS. HIDS is a host-based threat detection system that monitors and captures hacker activity. This technology is deployed on a host computer.

Q8- Can You Define MAC, DAC And RBAC?

MAC is short for Mandatory Access Control and it makes use of the operating system to keep a user from entering a target.

DAC is short for Discretionary Access Control and it controls user access to different objects based on their classification or identity.

RBAC is short for Role-Based Access Control and it is responsible for allowing or denying access to users based on their role.

Q9- How Would You Secure Network Devices?

Sometimes all you need to do is give a simple and to-the-point answer; Disable unused ports.

Q10- What Is A Proxy?

Proxy is a network service that allows users to log in to different network services or websites indirectly without showing their location.

Q11- How Would You Protect A VPN Connection?

With tunneling.

Q12- How Will You Stop Phishing?

Phishing occurs through email and the best way to ensure that all computers on the company network are protected from it is to educate the users. Educate users about the signs that indicate a possible phishing attempt so they are well aware. Another way to stop phishing attempts is to block certain SMTP servers.

Q13- Define UTM?

UTM stands for Unified Threat Management. It is a technology designed to protect networks through malware inspection and URL filtering.

Q14- What Is Rule-Based Access Control?

This is an access control technology that approves or denies access to users based on ACL entries.

Q15- What Is A Protocol Analyzer?

A protocol analyzer is also known as a pocket sniffer and is a tool that examines and monitors content of the network traffic to detect a possible threat.

 

There are hundreds of other questions that can be asked by your interviewer looking for a CompTIA Security+ professional. The questions mentioned above in the blog should provide enough help and if you want to learn it all, it is best to go through your CompTIA Security+ certification training course in detail so you can expect the job to be yours.

Cyber security is one of the prime problem areas in organizations where sensitive data is always up for grabs for hackers. Having a certification of this caliber and knowing what you will be asked in the interview will definitely get you the job you need!