168 2023 cybersecurity interview questions (with answers)

 Recently, many small partners came to consult:

How should I prepare for a technical interview if I want to find a job in cybersecurity?
I have worked for less than 2 years and want to change jobs to see opportunities. Are there any relevant interview questions?
In order to better help you get a high-paying job, today I will share with you two network security engineer interview questions. There are a total of 164 real interview questions. I hope they can help you avoid detours and get offers faster in the interview!
 

170 Cyber ​​Security Interview Questions

1. What is the SSL handshake?

2. What is the SSL/TLS protocol used for?

3. What is HTTPS?

4. What is the difference between HTTPS and HTTP?

5. What are the stages in the SSL handshake?

6. What is RSA?

7. How to protect the password?

8. What is a hash and what does it do?

9. How to protect sensitive data?

10. What is an XSS attack?

11. What is a CSRF attack?

12. If you needed to store sensitive data in a web application, what technologies would you use?

13. What types of attacks are most common in web applications?

14. What is the purpose of the TLS handshake?

15. What is HTTPS transport?

16. What is encryption? Why encrypt data?

17. What is the difference between SSL and TLS encryption?

18. What is the process of encryption and decryption?

19. What is public key cryptography?

20. What is a digital signature?

21. What do p, q, and n in RSA represent?

22. What should be the length of the RSA public and private keys?

23. How to protect the password?

24. How to ensure the security of the passwords stored in the database?

25. Which techniques should be used when passwords are stored in a database?

26. How to ensure application security?

27. What are SQL Injection Attacks?

28. What is a DOS/DDOS attack?

29. How to prevent DOS/DDOS attacks?

30. What is Shellshock?

31. What is a file upload attack?

32. How to prevent file upload attacks?

33. What is a Phishing Attack?

34. How to protect against phishing attacks?

35. How to protect the security of Linux system?

36. How to protect the security of Windows system?

37. How to protect the security of mobile applications?

38. What information is most vulnerable in mobile applications?

39. How to ensure the security of the web server?

40. What are the security holes of Server-side?

41. How to use Session Authentication in Web application?

42. What is a digital signature?

43. What are MD5 and SHA-1?

44. What are Alternative Controls?

45. What is a firewall?

46. What is an Intrusion Detection System?

47. How to prevent XSS attacks?

48. What is a CSRF attack?

49. How to prevent CSRF attacks?

50. What are SQL Injection Attacks?

51. How to prevent SQL injection attacks?

52. What is a directory traversal attack?

53. How to protect against directory traversal attacks?

54. What is a buffer overflow attack?

55. How to prevent buffer overflow attacks?

56. What is a key exchange?

57. What is a Domain Name System Attack?

58. How to prevent domain name system attacks?

59. What is server-side request forgery?

60. How to prevent server-side request forgery?

61. What is Identity Spoofing?

62. How to prevent identity spoofing?

63. What common HTTPS protocol vulnerabilities do you know?

64. What is a hacker?

65. What is a Trojan Horse?

66. What is a DOS/DDOS attack?

67. What is a reflected XSS attack and how to prevent it?

68. What is a stored XSS attack and how to prevent it?

69. What is CSRF and how to prevent it?

70. What are one-time tokens?

71. How to protect account security?

72. How to encrypt stored data?

73. How to set password policy?

74. In what ways can data integrity be improved?

75. How to prevent SQL injection?

76. How to prevent XSS attacks?

77. How to prevent CSRF attacks?

78. How to prevent DDOS attacks?

79. How to deal with password cracking?

80. What are the weaknesses of RSA?

81. What are the applications of the RSA algorithm?

82. How does the RSA algorithm ensure security?

83. What is the difference between RSA and DSA?

84. How does HTTPS ensure security?

85. What are the advantages and disadvantages of HTTPS?

86. What is the difference between HTTPS and HTTP?

87. What is HTTPS and how is it implemented?

88. What is PKI?

89. What are the applications of PKI?

90. What is a digital certificate?

91. How to protect the confidentiality of data?

92. How to protect data integrity?

93. How to protect data availability?

94. In a web application, how to use Session for authentication?

95. What is a DNS server and what is the role of a DNS server?

96. What are public and private keys and what are they used for?

97. What is a VPN?

98. What are the pros and cons of a VPN?

99. What is a Phishing Attack?

100. How to prevent phishing attacks?

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70 Cyber ​​Security Interview Questions 

1. What is a social engineering attack?

2. How to prevent social engineering attacks?

3. What is port scanning?

4. How to prevent port scanning?

5. What is password cracking?

6. How to prevent password cracking?

7. What is file hiding?

8. How to prevent file hiding?

9. What is a firewall?

10. How to prevent firewall attacks?

11. What is an Intrusion Detection System?

12. What is the function of an intrusion detection system?

13. What is a honeypot?

14. What does a honeypot do?

15. How to prevent DoS/DDoS attacks?

16. How to prevent SQL injection attacks?

17. What is an encryption algorithm?

18. What are the applications of encryption algorithms?

19. What is the difference between symmetric and asymmetric encryption algorithms?

20. What is Public Key Infrastructure?

21. How to protect public key infrastructure?

22. How to ensure the confidentiality of the network?

23. How to ensure the confidentiality of data?

24. How to ensure data integrity?

25. How to ensure equipment and network availability?

26. What is Hacking?

27. How to prevent hacker attacks?

28. What is Phishing?

29. How to protect against phishing?

30. What is an Inversion of Control Attack?

31. How to prevent inversion of control attacks?

32. What is a man-in-the-middle attack?

33. How to prevent man-in-the-middle attacks?

34. What is a network scan?

35. How to prevent network scanning?

36. How to effectively protect the network and data?

37. What is a distributed denial of service attack?

38. How to prevent distributed denial of service attacks?

39. What is a packet poisoning attack?

40. How to prevent packet poisoning attacks?

41. What is reverse engineering?

42. How to prevent reverse engineering?

43. What is a vulnerability?

44. What types of vulnerabilities are there?

45. Why is vulnerability testing needed?

46. What is Vulnerability Testing?

47. What are the steps of vulnerability testing?

48. What is the purpose of vulnerability testing?

49. How to handle vulnerability test results?

50. What is Web Application Security?

51. What is the importance of web application security?

52. How to ensure web application security?

53. What is an Incident Response Plan?

54. What is the importance of an incident response plan?

55. What should an incident response plan include?

56. What is a Cyber ​​Security Policy?

57. What is the importance of cybersecurity policy?

58. What should a cybersecurity policy include?

59. What is data backup?

60. What is the importance of data backup?

61. What should data backup contain?

62. What is a weak password?

63. How to prevent weak password attacks?

64. What is Malware?

65. What types of malware are there?

66. How to protect against malware?

67. What to do if you find malware on your system?

68. What is a virus?

69. What are the characteristics of viruses?

70. How to Prevent Virus Attacks

Interview questions (with answers) will be sent automatically after paying attention

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