Cyber Security Interview Questions - Javatpoint

1. CYBER SECURITY MCQ www.javatpoint.com

2. What is Cyber Security? Cybersecurity protects systems, networks, and programs from digital attacks, damage, or theft. These cyberattacks usually target accessing, changing, or destroying sensitive information; extorting money from users through ransomware; or interrupting normal business processes.

3. 1. Phishing Attacks Some Common Types Of Cyberattacks 2. Social Engineering Attacks 3. Ransomware 4. Cryptocurrency Hijacking 5. Botnet Attacks

4. Why Cyber Crime increasing day by day? • Cybercrime is easily achievable for those with advanced hacking skills. • There is a lower risk of getting caught in Cybercrime. • Cyber attackers can get huge amounts of money for their little work. • Cyber attackers can target thousands of victims. • Cryptocurrencies have made money laundering easier.

5. IDS • IPS IDS vs IPS • Intrusion Detection Systems • Detect only intrusions, but unable to prevent intrusions • Monitoring system • Requires a human or another system to look at the results • Intrusion Prevention Systems • Detect as well as prevent intrusions • Control system • Requires only a regularly updated database with the latest threat data

6. The key elements of Cyber Security • Information security • Network security • Operational security • Application security • End-user security • Business continuity planning

7. 03 WHAT IS THE MAIN GOAL OF CYBER SECURITY? 01 02 CONFIDENTIALITY AVAILABILITY INTEGRITY It ensures that the information is constantly available and accessible It is used to provide privacy and prevent unauthorized access to data. This ensures the data is genuine, correct, and safe from unwanted threat actors or unintentional user alteration.

8. The main advantages of cyber security • Cyber security protects online businesses and transactions against ransomware, malware, online fraud, and phishing. • It protects the end-users. • It provides great protection for both data as well as networks. • It can increase the recovery time after a breach. • It prevents unauthorized users from accessing sensitive information.

9. WHAT IS CRYPTOGRAPHY? It is used to protect information from third parties called adversaries. It is a method of protecting information and communications through codes so that only those for whom the information is intended can read and process the data.

10. WHAT DO YOU UNDERSTAND BY THE CIA TRIAD? CIA is an acronym that stands for Confidentiality, Integrity, and Availability. It is commonly known as the CIA triad. CIA is a model that specifies the guide policies for Information Security. It is one of the most popular models used by organizations.

11. WHAT IS A FIREWALL? WHAT IS THE USAGE OF IT? The main usage of Firewalls is to protect the system/network from viruses, worms, malware, threats etc. Firewalls can also be used to prevent remote access and content filtering.

12. WHAT DO YOU UNDERSTAND BY VA AND PT? • PT • VA VA or Vulnerability Assessment is the process of finding vulnerabilities or flaws in the target. In this process, the organization already knows that its system/network has flaws or weaknesses and wants to find these flaws and prioritize fixing them. PT or Penetration Testing is the process of deep searching and finding vulnerabilities on the target. In this process, the organizations set up all the possible security measures they could think of and test if there is any other way their system/network can be hacked.

13. WHAT IS A VPN AND ITS USE IN CYBER SECURITY? VPN - It is an acronym that stands for Virtual Private Network. It creates a safe encrypted tunnel across the internet by connecting a VPN server to a VPN client. Use - Suppose a user has a VPN client installed on their machine. The VPN client then creates an encrypted tunnel to the VPN server, and the user can securely send or receive information over the internet.

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