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Ok, let's get to the point. Since I have written many articles and answers related to network security technology, many readers know that I am engaged in network security-related work. They often private message me and ask me the following questions:

I'm just getting started with network security, how should I study?
How should I prepare for a technical interview when looking for a job in cybersecurity?
I have been working for less than two years and I want to change jobs to see opportunities. Are there any related interview questions?

In order to help you better obtain high-paying employment opportunities, today I will share three interview questions for network security engineers, including a total of 260 real interview questions. I hope these questions can help you avoid detours in the interview and get job opportunities faster!

93 Cyber Security Interview Questions

What is SQL injection attack
What is an XSS attack
What is a CSRF attack
What is a file upload vulnerability
DDos attack
Distribution map of important agreements
How the arp protocol works
What is RARP? How it works
What is dns? How dns works
What is the rip protocol? How does rip work
Disadvantages of RIPs
OSPF protocol? How does OSPF work?
Summary of the difference between TCP and UDP?
What is three-way handshake and four-way handshake? Why does tcp need three-way handshake?
The difference between GET and POST
The difference between cookies and sessions
How does session work? 1
A complete HTTP request process
The difference between HTTPS and HTTP
What are the seven layers of the OSI model?
The difference between http long connection and short connection
How does TCP ensure reliable transmission?
What are the common status codes?
What is SSL? How does https ensure the security of data transmission (how does SSL work to ensure security)
How to ensure that the public key is not tampered with?
PHP burst absolute path method?
What are your commonly used penetration tools, and which one is the most commonly used?
The use of xss blind typing to the intranet server
Spear Attacks and Watering Hole Attacks
What is virtual machine escape?
Man in the middle attack?
TCP three-way handshake process?
Seven-story model?
Understanding of cloud security
Know about websockets?
What is DDOS? What are they? What is CC attack? What is the difference?
What is land attack?
How will you conduct information collection?
What is CRLF injection attack?
To prevent XSS, two angles at the front end and back end?
How to protect the security of a port?
Webshell detection ideas?
What is GPC? How to bypass it?
What are the commonly used encryption algorithms for the web?
What else can XSS do besides get cookies?
Carrier (or other) network hijacking
What is DNS spoofing
Buffer Overflow Principles and Defenses
Emergency response to network security incidents
Internal Security
Before the business goes online, how to test and from which angles to test
The application has a vulnerability, but it cannot be repaired and disabled, what should you do?
How to protect against CSRF?
File upload bypass method?
Verification code related utilization points
cookie you test what content
Name a few types of business logic vulnerabilities?
Profile file contains vulnerability
What are the examples of business logic loopholes and arbitrary password resets by users, and what factors cause them?
During the penetration test, I found a function that can only upload zip files. What are the possible ideas?
Why is the aspx Trojan horse authority greater than asp?
What are some ideas for having only one login page?
Which of the request headers are harmful?
Talk about the difference between horizontal/vertical/unauthorized unauthorized access?
What is xss? The harm and principle of executing stored xss
The host is suspected of being compromised, where to check the logs
Python commonly used standard library
What is the difference between reverse tcp and bind tcp?
What might go wrong during the oauth authentication process, leading to what kind of loopholes?
How to obtain real IP for a website with CDN
How to achieve cross-domain?
What is the difference between jsonp cross-domain and CORS cross-domain?
Algorithms? Know what sorting?
SSRF exploit?
Common backdoor methods?
Open basedir access directory restriction bypass method?
Problem-prone points in PHP code audit?
The scene and posture of the red and blue against the middle and blue team against the red team?
Linux scheduled tasks, what would hackers do to hide their scheduled tasks?
How many common getshell methods are Redis unauthorized?
Attack method of JWT? (header, payload, signature)
Vulnerabilities in JAVA middleware, give a few examples?
What vulnerabilities can DNS takeout be used for?
Summary of middleware vulnerabilities?
Talk about the ideas of Windows system and Linux system to escalate rights?
What frameworks does python have, and what loopholes have appeared in them
Differences between Mini Program Penetration and Common Penetration
The four major components of the vulnerability test of the app itself
IDS/IPS protection principle and bypass ideas
The use of json's csrf
What vulnerabilities can be detected by data packets in json format
Intranet server, how to collect information?
If a certain machine in the boundary layer of the intranet is taken down, how to detect others on the intranet?
86 Tianrongxin network security interview questions and answers
Protect against common web attacks
Important protocol distribution layer
How the arp protocol works
What is the rip protocol? How rips work
What are RARPs? working principle
OSPF protocol? How OSPF works
Summary of differences between TCP and UDP
What is a three-way handshake and four-way wave?
Why does tcp need a three-way handshake?
what is dns? How dns works
A complete HTTP request process
The difference between cookies and sessions
The difference between GET and POST
The difference between HTTPS and HTTP
How does session work?
The difference between http long connection and short connection
What are the seven layers of the OSI model?
How does session work? What is TCP sticky packet/unpacket? cause? solution
How does TCP guarantee reliable transmission?
Difference between URI and URL
What is SSL?
How does https ensure the security of data transmission (
How SSL works for security)
Application layer protocol corresponding to TCP, application layer protocol corresponding to UDP
What are the common status codes?
Get a station to be tested, what do you think should be done first
Mysql website injection, what is the difference between 5.0 and below 5.0
During the infiltration process, what is the value to us of collecting the email address of the target station registrant?
Judging the significance of the website's CMS for penetration
Which versions of containers are currently known to have parsing vulnerabilities, specific examples
Found demo.jsp?uid=110 injection point, what kind of ideas do you have to get webshell, which one is the best
What are the types of sql injection? What is the difference between these types when injecting
How many types of XSS are there? Brief description of cookie and session
Please list common web scanning tools that can automate websites
What are your commonly used penetration tools, and which one is the most commonly used?
Windows permission control, what are the ways to plant backdoors
What functions does the php file contain
What functions does the php command execute
How phpmyadmin infiltrates
What are the current database parameters in sqlmap query
How to judge whether the web server is linux or windows
What are CSRF, XSS, XXE, and Ssrf? and how to fix
Common different web server parsing vulnerabilities? How to use IIS apache nginx etc.
What are the emergency measures for linux and windows
What items are in the http return header? Can you name a few different ones?
How to use redis unauthorized in penetration
Penetration Testing Execution Process
Briefly introduce the nmap tool and its use
How nmap circumvents security devices during scanning
A brief introduction to the metasploit tool
What modules are in metasploit
Have you contacted cs? Let me introduce the function of cs
What is Xray? what function? how to use
Introduce the burpsuite tool and its commonly used modules
What are the webshell management tools? what's the difference
What are the OWASP TOP 10? What are the vulnerabilities in OWASP top10
database type? common ports? What is SQL injection
What is stack injection? What are the methods of mysql privilege escalation
Can commands be executed after mysql privilege escalation?
How to break out of characters being escaped when injecting? How to defend against SQL injection
What is XSS? What are the types of XSS? What are the dangers of XSS vulnerabilities
What is dos, ddos attack? how to defend
Which packet capture tools have you used? how to use
What command do you use to modify file permissions? what is the format
Which command is used to copy the file, if it needs to be copied together with the folder
Which command to use to move files? Which command to use for renaming
What order is used to terminate the process? With what parameters
Which command to use to move files? Which command to use for renaming
Windows intrusion troubleshooting ideas
Linux Intrusion Troubleshooting Ideas
Introduce Linux Security Hardening
Introduce windows security hardening
What security devices have you been exposed to? Let me introduce the functions
How to troubleshoot device false positives
How to deal with how to trace the source attack after using the shell
How to deal with .exe files
How to check the current process
Introduce common web application component ports (such as mysql, tomcat)
How to view the local port connection status in windwos
Where to Put the Log Files for Windows and Linux
How to deal with the existence of webshell on the server
What is SSL? How does https ensure the security of data transmission (how does SSL work to ensure security)
How to ensure that the public key is not tampered with?
What are the common status codes?
How does TCP ensure reliable transmission?
The difference between http long connection and short connection
71 Cyber Security Interview Questions
PHP burst absolute path method?
What are your commonly used penetration tools, and which one is the most commonly used?
The use of xss blind typing to the intranet server
Spear attacks and watering hole attacks?
What is a virtual machine escape?
Man-in-the-middle attack?
TCP three-way handshake process?
Seven-story model?
Understanding of cloud security
Know about websockets?
What is DDOS? What? What is a CC attack? What is the difference?
what is land attack
How will you conduct information gathering?
What is a CRLF injection attack?
To prevent XSS, two angles at the front end and back end?
How to protect the security of a port?
Webshell detection idea?
How to test its loopholes when I found an IIS website? (depending on version)
What are GPCs? open how to bypass
What are the commonly used encryption algorithms for the web?
What else can XSS do besides get cookies?
Carrier (or other) network hijacking
What is DNS spoofing
Buffer Overflow Principles and Defenses
Emergency response to network security incidents
Internal Security
Before the business goes online, how to test and from which angles to test
The application has a vulnerability, but it cannot be repaired and disabled, what should you do?
How to protect against CSRF?
File upload bypass method?
Verification code related utilization points
cookie you test what content
Name a few types of business logic vulnerabilities?
Profile file contains vulnerability
What are the examples of business logic loopholes and arbitrary password resets by users, and what factors cause them?
During the penetration test, I found a function that can only upload zip files. What are the possible ideas?
Why is the aspx Trojan horse authority greater than asp?
What are some ideas for having only one login page?
Which of the request headers are harmful?
Talk about the difference between horizontal/vertical/unauthorized unauthorized access?
What is xss? The hazards and principles of executing stored xss
The host is suspected of being compromised, where to check the logs
Python commonly used standard library
The difference between reverse_tcp and bind_tcp?
What might go wrong during the oauth authentication process, leading to what kind of loopholes?
How to obtain real IP for a website with CDN
How to achieve cross-domain?
What is the difference between jsonp cross-domain and CORS cross-domain?
algorithm? Know what sort?
SSRF exploit?
Common backdoor methods?
How to bypass open_basedir access directory restrictions?
Problem-prone points in PHP code audit?
The scene and posture of the red and blue against the middle and blue team against the red team?
Linux scheduled tasks, what would hackers do to hide their scheduled tasks?
How many common getshell methods are Redis unauthorized?
Attack method of JWT? (header, payload, signature)
Vulnerabilities in JAVA middleware, give a few examples?
What vulnerabilities can DNS takeout be used for?
HTTP-Only prohibits JS from reading cookie information, how to bypass this to get cookie
Summary of middleware vulnerabilities?
Talk about the idea of escalating the rights of Windows system and Linux system?
What frameworks does python have, and what vulnerabilities have appeared in them
Differences between Mini Program Penetration and Common Penetration
The four major components of the vulnerability test of the app itself
IDS/IPS protection principle and bypass ideas
The use of json's csrf
What vulnerabilities can be detected by data packets in json format
Briefly describe the principle and utilization of xxe vulnerabilities
Intranet server, how to collect information?
If a certain machine in the boundary layer of the intranet is taken down, how to detect others on the intranet?
I hope these 3 sets of interview questions can help you avoid some detours in the interview and get the offer faster!
The PDF interview questions have been uploaded to the resource department