Top 50 interview questions and answers for nikto

1. What is Nikto?

Nikto is an open-source web server scanner that helps identify vulnerabilities in web servers.

2. How does Nikto work?

Nikto sends requests to a web server and analyzes the responses to identify potential vulnerabilities.

3. What types of vulnerabilities can Nikto identify?

Nikto can identify a wide range of vulnerabilities, including outdated software, misconfigured servers, and known exploits.

4. How can Nikto be used to improve web server security?

By identifying vulnerabilities, Nikto can help web server administrators take steps to improve security and prevent attacks.

5. What are some common security risks associated with web servers?

Common security risks include SQL injection, cross-site scripting (XSS), and file inclusion vulnerabilities.

6. How can SQL injection be prevented?

SQL injection can be prevented by using prepared statements and parameterized queries.

7. What is cross-site scripting (XSS)?

Cross-site scripting (XSS) is a type of vulnerability that allows attackers to inject malicious code into a web page.

8. How can XSS be prevented?

XSS can be prevented by properly sanitizing user input and using output encoding.

9. What is file inclusion vulnerability?

File inclusion vulnerability is a type of vulnerability that allows attackers to include files from a remote server.

10. How can file inclusion vulnerability be prevented?

File inclusion vulnerability can be prevented by properly validating user input and using secure file inclusion methods.

11. What is a buffer overflow?

A buffer overflow is a type of vulnerability that allows attackers to overwrite memory and execute arbitrary code.

12. How can buffer overflow be prevented?

Buffer overflow can be prevented by properly validating user input and using secure coding practices.

13. What is a denial-of-service (DoS) attack?

A denial-of-service (DoS) attack is a type of attack that floods a web server with traffic, causing it to become unavailable.

14. How can DoS attacks be prevented?

DoS attacks can be prevented by using firewalls, load balancers, and other security measures.

15. What is a man-in-the-middle (MitM) attack?

A man-in-the-middle (MitM) attack is a type of attack where an attacker intercepts communication between two parties.

16. How can MitM attacks be prevented?

MitM attacks can be prevented by using encryption and secure communication protocols.

17. What is a brute-force attack?

A brute-force attack is a type of attack where an attacker tries every possible combination of characters to guess a password.

18. How can brute-force attacks be prevented?

Brute-force attacks can be prevented by using strong passwords and limiting login attempts.

19. What is a phishing attack?

A phishing attack is a type of attack where an attacker tries to trick a user into revealing sensitive information.

20. How can phishing attacks be prevented?

Phishing attacks can be prevented by educating users about the risks and using anti-phishing measures.

21. What is two-factor authentication?

Two-factor authentication is a security measure that requires users to provide two forms of identification to access a system.

22. How does two-factor authentication improve security?

Two-factor authentication improves security by adding an extra layer of protection against unauthorized access.

23. What is a firewall?

A firewall is a security device that monitors and controls incoming and outgoing network traffic.

24. How does a firewall improve security?

A firewall improves security by blocking unauthorized access and preventing attacks.

25. What is a virtual private network (VPN)?

A virtual private network (VPN) is a secure connection between two networks over the internet.

26. How does a VPN improve security?

A VPN improves security by encrypting communication and protecting against eavesdropping.

27. What is encryption?

Encryption is the process of converting data into a secret code to protect it from unauthorized access.

28. How does encryption improve security?

Encryption improves security by making it difficult for attackers to read or modify sensitive data.

29. What is a certificate authority (CA)?

A certificate authority (CA) is a trusted third-party organization that issues digital certificates.

30. How do digital certificates improve security?

Digital certificates improve security by verifying the identity of a website or user and ensuring secure communication.

31. What is a vulnerability scanner?

A vulnerability scanner is a tool that identifies potential vulnerabilities in a system or network.

32. How does a vulnerability scanner improve security?

A vulnerability scanner improves security by identifying potential vulnerabilities before they can be exploited.

33. What is a penetration test?

A penetration test is a simulated attack on a system or network to identify potential vulnerabilities.

34. How does a penetration test improve security?

A penetration test improves security by identifying potential vulnerabilities and providing recommendations for improvement.

35. What is a security audit?

A security audit is a comprehensive review of a system or network to identify potential vulnerabilities and improve security.

36. How does a security audit improve security?

A security audit improves security by identifying potential vulnerabilities and providing recommendations for improvement.

37. What is a security policy?

A security policy is a set of guidelines and procedures for ensuring the security of a system or network.

38. How does a security policy improve security?

A security policy improves security by providing clear guidelines and procedures for ensuring the security of a system or network.

39. What is incident response?

Incident response is the process of responding to a security incident, such as a data breach or cyber attack.

40. How does incident response improve security?

Incident response improves security by minimizing the impact of a security incident and preventing future incidents.

41. What is a security awareness program?

A security awareness program is a program that educates users about security risks and best practices.

42. How does a security awareness program improve security?

A security awareness program improves security by educating users about security risks and best practices.

43. What is a security risk assessment?

A security risk assessment is a process of identifying potential security risks and vulnerabilities.

44. How does a security risk assessment improve security?

A security risk assessment improves security by identifying potential security risks and vulnerabilities and providing recommendations for improvement.

45. What is a security incident response plan?

A security incident response plan is a plan for responding to a security incident.

46. How does a security incident response plan improve security?

A security incident response plan improves security by providing clear guidelines and procedures for responding to a security incident.

47. What is a disaster recovery plan?

A disaster recovery plan is a plan for recovering from a disaster, such as a natural disaster or cyber attack.

48. How does a disaster recovery plan improve security?

A disaster recovery plan improves security by ensuring that critical systems and data can be recovered in the event of a disaster.

49. What is a business continuity plan?

A business continuity plan is a plan for ensuring that critical business operations can continue in the event of a disaster.

50. How does a business continuity plan improve security?

A business continuity plan improves security by ensuring that critical business operations can continue in the event of a disaster.

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