Cyber Security Interview QAs for Beginners


Cyber Security Interview QAs for Beginners

The interview procedure is intense, for the candidates as well as for the questioners. The procedure additionally relies upon the situation for which the employing is done. For a substitution; the aptitudes of the past workers are taken as the benchmark. If an organization is thinking of expanding the team, the administration knows the abilities that they expect in the applicants. The interview procedure is intense because:

  • Not many experienced experts are there who are willing for a job change
  • Interviewer desires are high from the applicants in every case
  • The right applicants don't fall in the budget

Interviewers are normally keen on the up-and-comers who have the fundamental domain and specialized information except if they are employing for a specific aptitude for example cybersecurity. Before we go in the technical details, let's look at the general process:

The Interview Process

  • CV shortlisting
  • Basic HR questions
  • Interview level 1 (Technical)
  • Interview level 2 (Technical + Attitude)

When the resume gets shortlisted, this gets followed by the fundamental HR call. This guarantees the resume is updated, the individual is searching for a change and some essential series of questions about your experience and purpose behind job switching. The HR call will likewise guarantee that whether your resume has been sent for the next interview level. The next level can be over a telephonic call, physical meet-up, or over Skype. Level 1 will test your insight though level 2 will go for your experience and demeanor towards work. So be set up with the fundamentals of cybersecurity and technical information.

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Cyber Security Interview Questions and Answers

To assist you with clearing the interview, we've listed 25 Frequently Asked Cyber Security Interview Questions and Answers. So let's begin already.

1- What is Cybersecurity?

Answer: Cybersecurity refers to the security of web-associated systems, for example, hardware, software, electronic data, etc. from cyber-attacks.

2- Define elements of cybersecurity?

Answer: The important elements of cybersecurity are:

  • Information security
  • Operational security
  • Network security
  • End-user education
  • Business continuity planning
  • Application security

3- What are the advantages of cybersecurity?

Answer: Advantages of cybersecurity are as per the following:

  • It ensures the business against malware, ransomware, social engineering, and phishing.
  • It protects end-clients.
  • It provides security for the data as well as networks.
  • It helps organizations recover from breaches with relative ease.
  • It forestalls unauthorized access.

4- Define Cryptography?

Answer: Cryptography is a technique to change and transfer encrypted data in an encoded manner to shield the data from outsiders for whom data isn't authorized.

5- What is the difference between Threat, Vulnerability, and Risk?

Responding to this question requires a profound comprehension of cybersecurity and anybody working in the field ought to know.


  • Threat: Someone with the possibility to harm by manipulating or annihilating the official data to a framework or association.

Example: Phishing

  • Vulnerability: It alludes to shortcomings in a framework that makes danger results increasingly conceivable and much progressively risky.

Example: SQL injections, cross-site scripting

  • Risk: It refers to the possibilities of threat and loss of data.

6- Define the home network?

Answer: A home network is commonly a test environment. How you work with it gives a sign of what you would do with another person's network.

7- How is Encryption not quite the same as Hashing?

Answer: Both Encryption and Hashing are utilized to change over readable data into an unreadable form. The thing that matters is that the converted data can be changed over back to original data by the procedure of decryption however the hashed data can't be changed over back to original data.

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8- What are a Firewall and its purpose?

Answer: A Firewall is a network security framework set on the ends of the framework/network that screens and controls network traffic. Firewalls are essentially used to secure the framework/network from viruses, malware, worms, and so on. Firewalls can likewise be used to forestall content filtering and remote access.

9- Tell us about Traceroute.

Answer: Traceroute is a tool used to describe the packet path. It records all the points that the packet goes through. Traceroute is utilized generally when the packet doesn't arrive at the goal. Traceroute is utilized to check where the network connection breaks or stops or to spot the failure.

10- What is CSRF?

Answer: Cross-Site Request Forgery is a web application vulnerability in which the worker doesn't check whether the request is generated from a trusted source or not. The request is simply forwarded directly.

11- What is a Security Misconfiguration?

Answer: Security misconfiguration is a vulnerability when a gadget/application/network is arranged in a way that can be abused by a hacker to exploit it. This can be as basic as leaving the default username/password unaltered or too generic.

12- What are a White hat, Black hat, and Gray hat hacker?

TIP: Keep the answer plain and simple, don't complicate it.


White hat hackers or ethical hackers are approved to play out a hacking attempt under signed NDA while black hat hackers do it for their malicious purposes. Gray hat hackers are white hat hackers who once in a while perform unapproved tasks.

13- What is port scanning?

Answer: Port scanning is the procedure of sending messages to assemble data about network, framework, and so forth by breaking down the received response.

14- What is the distinction between VA and PT?

Answer: Vulnerability Assessment is a methodology used to discover defects in an application/network while Penetration testing is the act of finding exploitable vulnerabilities like a genuine attacker will do. VA is performed on a superficial level through PT is digging it deep.

15- What includes a good penetration testing report?

Answer: A VAPT report should have an official synopsis clarifying the perceptions on a high-level alongside the scope, time of testing, and so on. This can be trailed by no. of observations, split category wise into high, medium, and low. Additionally, incorporate detailed observation alongside replication steps and evidence of concept with remediation.

16- Define compliance?

Answer: Following a set of principles set by an administration/organization or any independent party. For example, An industry that stores, forms or sends Payment related data should have consented to PCI DSS (Payment card Industry Data Security Standard). Other compliance models can be an organization conforming to its approaches.

17- What is Cross-Site Scripting and how can we forestall it?

Answer: Cross-Site Scripting targets executing compromised/malicious scripts on a victim's internet browser by infusing malicious code. This is also called a client-side injection attack.

18- Explain the significance of DNS monitoring?

Answer: Some contend this isn't necessary and that saying otherwise demonstrates that there are shortcomings in the domain name services. Other state DNS monitoring is judicious because DNS queries are a data-exfiltration vector from networks that permit any host to transmit to the Internet on Port 53.

19- What port does ping work over?

Watch out for this.

Answer: Ping is a layer-3 protocol like IP; ports are a component of the layer-4 protocols TCP and UDP.

20- State the difference between HTTPS, SSL, and TLS?

Answer: HTTPS is a secure protocol to send data over a network. TLS is transport layer security and is a successor protocol to SSL. SSL protocol is used to establish an encrypted link between a server and a client.

21- What are the various layers of the OSI model?

Answer: Seven distinct layers of OSI models are as per the following:

  1. Physical Layer
  2. Data Link Layer
  3. Network Layer
  4. Transport Layer
  5. Session Layer
  6. Presentation Layer
  7. Application Layer

22- What is a VPN?

Answer: VPN is an abbreviation of Virtual Private Network. It is a network connection technique for making an encoded and safe connection. This strategy shields data from censorship, snooping, and interference.

23- What is the TCP Three-way handshake?

Answer: It is a procedure utilized in a network to make a connection between a server and localhost. This strategy requires the server and host to arrange synchronization and acknowledgment packets before beginning the correspondence.

24- What is residual risk and how to deal with it?

Answer: It is a risk that adjusts risk exposure in the wake of finding and eradicating risks.

Three different ways to deal with residual risks are:

  • Reduce it
  • Avoid it
  • Accept it

25- What is Exfiltration?

Answer: Data exfiltration alludes to the unauthorized/unapproved transfer of data from a PC system. This transmission might be manual and done by anybody having physical access to a PC.

26- Encrypt or compress, what would you do first during data transmission?

Answer: Compress first and then encrypt, since encrypting first may make it difficult to compress.

27- How might you reinforce user authentication?

Answer: Here you can talk about two-factor authentication and non-repudiation and how you'd implement it.

28- How can you combat cross-site scripting attacks?

Answer: Each cybersecurity expert should know this, regardless of whether it is hard to reply. Your answer depends on the type of XSS attack. To prevent it, you can put filter input on arrival or you can use response headers.

29- Define the difference between cybersecurity in the cloud and on-premises?

Answer: Show that you comprehend the security dangers inborn to both and which may be more aligned and appropriate for the organization.

30- What is RDP?

Answer: RDP stands for Remote Desktop Protocol and its port number is 3389. RDP provides a remote connection to servers and Windows computers.

31- What is Data Leakage?

Answer: Data Leakage is a purposeful or accidental transmission of data from inside the association to an external unauthorized destination. It is the exposure of secret data to an unapproved source. Data Leakage is generally partitioned into 3 classes depending on how it occurs:

  1. Accidental Breach: An entity accidentally send data to an unapproved individual because of a fault
  2. Intentional Breach: The approved entity sends data to an unapproved source intentionally
  3. System Hack: Hacking methods are utilized to cause data leakage

Data Leakage can be forestalled by using strategies, tools, and software known as Data Leakage Prevention or DLP Tools.

32- Name common Cyberattacks?

Answer: Dos, DDos, phishing, Man-in-the-middle, SQL injection, XSS attack, eavesdropping attack, etc.

33- What is a Brute Force Attack? How might you forestall it?

Answer: Brute Force is a method of discovering the correct credentials by tediously attempting all the permutation and combination of potential credentials. By and large, Brute Force attacks are automated where the software naturally attempts to log in with a rundown of credentials. There are different approaches to forestall Brute Force attacks. Some of them are:

  • Password Length: You can set a base length for a password. The lengthier the password, the harder it is to hack.
  • Password Complexity: Including various arrangements of characters in the password makes Brute Force attacks hard. Utilizing alpha-numeric passwords alongside special characters, and upper and lower case characters increment the password multifaceted nature making it hard to be compromised.
  • Restricting Login Attempts: Put a count on login failures. For instance, you can set the threshold on 3. So when there are 3 successive login failures, confine the client from signing in for quite a while, or send an Email or OTP to use to sign in next time.

34- What is Forward Secrecy?

Answer: Forward Secrecy is a framework that utilizes ephemeral session keys to do the real encryption of TLS data so that regardless of whether the server's private key was to be undermined, an attacker couldn't utilize it to decrypt the data that had been sent to that server previously.

35- What is the CIA triangle?

Answer: Confidentiality- keeping data secure. Integrity- keeping data intact. Availability- keeping data accessible.

36- Name the protocol used for broadcasting messages over the internet?

Answer: IGMP or Internet Group Management Protocol

There’s a plethora of questions and it is not possible to cover it all in a single blog. Stay tuned to Quickstart's blog for all the more data on cybersecurity interview QA's. If you are not certain enough yet and need to get ready to snatch your fantasy work in the field of Cyber-Security, hone up your skills with our cybersecurity certifications.

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