Cyber Security Interview Questions and Answers
Question - 1 : - What is cybersecurity?
Answer - 1 : -
Cybersecurity refers to the protection of hardware, software, and data from attackers. The primary purpose of cyber security is to protect against cyberattacks like accessing, changing, or destroying sensitive information.
Question - 2 : - What are the elements of cybersecurity?
Answer - 2 : -
Major elements of cybersecurity are:
- Information security
- Network security
- Operational security
- Application security
- End-user education
- Business continuity planning
Question - 3 : - What are the advantages of cyber security?
Answer - 3 : -
Benefits of cyber security are as follows:
- It protects the business against ransomware, malware, social engineering, and phishing.
- It protects end-users.
- It gives good protection for both data as well as networks.
- Increase recovery time after a breach.
- Cybersecurity prevents unauthorized users.
Question - 4 : - Define Cryptography.
Answer - 4 : -
It is a technique used to protect information from third parties called adversaries. Cryptography allows the sender and recipient of a message to read its details.
Question - 5 : - Differentiate between IDS and IPS.
Answer - 5 : -
Intrusion Detection System (IDS) detects intrusions. The administrator has to be careful while preventing the intrusion. In the Intrusion Prevention System (IPS), the system finds the intrusion and prevent it.
Question - 6 : - What is CIA?
Answer - 6 : -
Confidentiality, Integrity, and Availability (CIA) is a popular model which is designed to develop a security policy. CIA model consists of three concepts:
- Confidentiality: Ensure the sensitive data is accessed only by an authorized user.
- Integrity: Integrity means the information is in the right format.
- Availability: Ensure the data and resources are available for users who need them.
Question - 7 : - What is a Firewall?
Answer - 7 : -
It is a security system designed for the network. A firewall is set on the boundaries of any system or network which monitors and controls network traffic. Firewalls are mostly used to protect the system or network from malware, worms, and viruses. Firewalls can also prevent content filtering and remote access.
Question - 8 : - Explain SSL
Answer - 8 : -
SSL stands for Secure Sockets Layer. It is a technology creating encrypted connections between a web server and a web browser. It is used to protect the information in online transactions and digital payments to maintain data privacy.
Question - 9 : - What do you mean by data leakage?
Answer - 9 : -
Data leakage is an unauthorized transfer of data to the outside world. Data leakage occurs via email, optical media, laptops, and USB keys.
Question - 10 : - Explain the brute force attack. How to prevent it?
Answer - 10 : -
It is a trial-and-error method to find out the right password or PIN. Hackers repetitively try all the combinations of credentials. In many cases, brute force attacks are automated where the software automatically works to login with credentials. There are ways to prevent Brute Force attacks. They are:
- Setting password length.
- Increase password complexity.
- Set limit on login failures.