Top 20 Cyber Security Interview Questions and Answers 2024

Cyber security is the practice of protecting systems, networks, and data from digital attacks.

• Cyber security involves implementing measures to prevent unauthorized access, data breaches, and other cyber threats.

• It includes technologies, processes, and practices designed to protect networks, devices, programs, and data from attack, damage, or unauthorized access.

• Examples of cyber security measures include firewalls, antivirus software, encryption, and multi-factor authenticati...read more

Data security focuses on protecting data from unauthorized access, while cyber security encompasses protection of digital systems from cyber attacks.

• Data security involves securing data at rest, in transit, and in use.

• Cyber security includes protecting networks, devices, and programs from cyber attacks.

• Data security measures include encryption, access controls, and data masking.

• Cyber security measures include firewalls, antivirus software, and intrusion detection systems.

• Data...read more

CIA stands for Confidentiality, Integrity, and Availability in cyber security.

• Confidentiality refers to protecting sensitive information from unauthorized access.

• Integrity ensures that data remains accurate, complete, and unaltered.

• Availability ensures that systems and data are accessible and usable when needed.

• These three principles form the foundation of a secure cyber environment.

• Example: Encrypting data to maintain confidentiality, implementing access controls to ensure i...read more

Security concepts in cyber security refer to fundamental principles and practices that help protect information and systems from unauthorized access, use, disclosure, disruption, modification, or destruction.

• Confidentiality: Ensuring that information is only accessible to those who are authorized to view it.

• Integrity: Ensuring that information is accurate and has not been tampered with.

• Availability: Ensuring that information and systems are accessible when needed.

• Authenticati...read more

Cyber security provides protection against cyber attacks and ensures confidentiality, integrity, and availability of data.

• Prevents unauthorized access to sensitive information

• Protects against malware and viruses

• Ensures business continuity by preventing downtime

• Helps maintain customer trust and loyalty

• Compliance with regulatory requirements

• Reduces financial losses due to cyber attacks

• Improves overall organizational security posture

I increased revenues in cyber security by implementing targeted marketing campaigns and offering customized solutions to clients.

• Implemented targeted marketing campaigns to reach potential clients in need of cyber security services

• Offered customized solutions to clients based on their specific needs and budget constraints

• Expanded service offerings to include additional cyber security solutions such as penetration testing and incident response

• Established partnerships with othe...read more

Penetration testing is a method of evaluating the security of a computer system or network by simulating an attack from a malicious hacker.

• Identifying vulnerabilities in systems and networks

• Exploiting vulnerabilities to gain access to sensitive information

• Providing recommendations for improving security measures

• Common tools used in penetration testing include Metasploit, Nmap, and Burp Suite

The basic pillars of Cyber Security include confidentiality, integrity, availability, and non-repudiation.

• Confidentiality: Ensuring that data is only accessible to authorized individuals or systems.

• Integrity: Ensuring that data is accurate and has not been tampered with.

• Availability: Ensuring that data and systems are accessible when needed.

• Non-repudiation: Ensuring that a sender cannot deny sending a message and a recipient cannot deny receiving it.

The fundamental pillars of Cyber Security include confidentiality, integrity, availability, and resilience.

• Confidentiality: Ensuring that data is only accessible to authorized individuals or systems.

• Integrity: Maintaining the accuracy and trustworthiness of data throughout its lifecycle.

• Availability: Ensuring that systems and data are accessible when needed by authorized users.

• Resilience: Ability to withstand and quickly recover from cyber attacks or incidents.

• Examples: Encry...read more

I have 3 years of experience in cyber security.

• Experience in threat hunting and incident response

• Knowledge of SIEM tools such as Splunk and QRadar

• Familiarity with network security protocols and technologies

• Experience in vulnerability assessments and penetration testing

• Certifications such as CompTIA Security+ and CISSP

Cyber security practices are crucial for protecting sensitive information and preventing cyber attacks.

• Regularly updating software and security systems

• Implementing strong passwords and multi-factor authentication

• Conducting regular security audits and risk assessments

• Providing employee training on cyber security best practices

• Backing up important data regularly

• Monitoring network activity for suspicious behavior

Cyber security refers to the practice of protecting computer systems and networks from unauthorized access or damage.

• Cyber security involves measures to prevent, detect, and respond to cyber threats.

• It includes the use of firewalls, antivirus software, and encryption to safeguard data.

• Cyber security also involves educating users about safe online practices and implementing strong passwords.

• Examples of cyber security threats include malware, phishing attacks, and data breaches...read more

The pillars of cyber security are essential components that form the foundation of a strong security strategy.

• 1. Network Security: Protecting the organization's network infrastructure from unauthorized access or attacks.

• 2. Data Security: Ensuring the confidentiality, integrity, and availability of data through encryption, access controls, and backups.

• 3. Endpoint Security: Securing individual devices such as computers, smartphones, and IoT devices from malware and other threat...read more

OWASP Top 10 is a list of the most critical web application security risks. Cybersecurity newsletters provide updates on the latest threats and trends.

• OWASP Top 10 includes injection, broken authentication and session management, cross-site scripting (XSS), and more.

• The latest cybersecurity newsletters cover topics such as ransomware attacks, phishing scams, and data breaches.

• Keeping up with the latest threats and vulnerabilities is crucial for a Senior Security Engineer to e...read more

Ethical hacking is a process of identifying vulnerabilities in a system to improve its security.

• Ethical hacking involves using the same techniques as malicious hackers to identify vulnerabilities in a system.

• The goal of ethical hacking is to improve the security of the system by fixing the identified vulnerabilities.

• Ethical hackers must follow a strict code of ethics and obtain permission before conducting any hacking activities.

• Examples of ethical hacking include penetration...read more

Basic terminologies in cyber security

• Malware

• Phishing

• Firewall

• Encryption

• Vulnerability

• Patch

• Intrusion Detection System

• Social Engineering

• Two-Factor Authentication

Application layers in cyber security refer to the different levels of software and protocols that make up an application.

• Application layer is the topmost layer in the OSI model

• It includes protocols like HTTP, SMTP, FTP, etc.

• Security measures at this layer include firewalls, intrusion detection systems, and web application firewalls

• Vulnerabilities at this layer include SQL injection, cross-site scripting, and session hijacking

Implementing multi-layered defense mechanisms, regular security updates, employee training, and incident response planning are key cyber security best practices.

• Implement multi-layered defense mechanisms to protect against various types of cyber threats

• Regularly update security systems and software to patch vulnerabilities

• Provide ongoing training for employees on cyber security best practices and how to recognize and respond to threats

• Develop and regularly test an incident re...read more