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Web Security interview questions

Web Security interview questions.

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1.

What is SQL injection?

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2.

What is the difference between Authentication vs Authorization?

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3.

What is Security Testing?

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What is a DDOS attack?

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What is OWASP?

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6.

List the various methodologies in Security testing?

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7.

What is “Vulnerability”?

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8.

What is a botnet?

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9.

What is Cross-Site Scripting (XSS)?

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10.

What is DOM-based XSS?

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11.

Mention what flaw arises from session tokens having poor randomness across a range of values?

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12.

How to mitigate the SQL Injection risks?

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13.

What is Cross Site Scripting (XSS)?

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14.

How can we Protect Web Applications From Forced Browsing?

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15.

What is an SSL Certificate?

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16.

What is Content Security Policy?

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17.

What is CORS and how to enable one?

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18.

How can I prevent XSS?

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19.

What is Session Hijacking?

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20.

What is Intrusion Detection System (IDS)?

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21.

Explain what threat arises from not flagging HTTP cookies with tokens as secure?

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22.

Why is the Root Certificate important?

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23.

Provide some "robots.txt" anti-pattern usage

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24.

What is ClickJacking?

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25.

What is a Honeypot?

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26.

Mention what happens when an application takes user inserted data and sends it to a web browser without proper validation and escaping?

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27.

What is HTTP Public Key Pinning and when to use it?

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28.

How to mitigate the risk of Weak authentication and session management?

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29.

What is the difference between encryption, encoding, and hashing?

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30.

Could you explain the difference between penetration testing and other forms of security testing?

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31.

What is Cross-site request forgery and how to mitigate it?

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32.

Apart from mailing links of error pages, are there other methods of exploiting XSS?

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33.

List the attributes of Security Testing

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34.

Name the elements of PKI

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35.

What is the difference between IDS and firewalls?

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36.

Can XSS be prevented without modifying the source code?

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37.

Mention what threat can be avoided by having unique usernames produced with a high degree of entropy?

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38.

What information can an attacker steal using XSS?

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39.

What is Cross-Site Request Forgery?

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40.

How to mitigate the risk of Sensitive Data Exposure?

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41.

What is PKI?

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42.

List Top 10 OWASP Vulnerabilities

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43.

What Is Failure to Restrict URL Access?

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44.

What is a Bug Bounty?

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45.

What is Stored XSS?

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46.

How does SSL/TLS work ?

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47.

What are X-Frame-Options?

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48.

What is Cross Site Tracing (XST)? How can it be prevented?

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49.

How to Prevent Breaches Due to Failure to Restrict URL Access?

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50.

What is HSTS?

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51.

What are the types of XSS?

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52.

What is Reflected XSS?

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53.

If you can decode JWT, how are they secure?

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54.

How to ensure that a file can only be decrypted after a specific date?

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55.

Is it possible to decrypt MD5 hashes? Explain.

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56.

What is Content Security Policy (CSP)?

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57.

How would you secure WebSockets communication on your project?

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58.

How to use CHAP Authentication (Challenge Response Authentication) for webSockets?

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59.

How to use Content Security Policy (CSP) against clickjacking?

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60.

Mention what is the basic design of OWASP ESAPI?

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61.

What is a Salt and How Does It Make Password Hashing More Secure?

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62.

How come that hash values are not reversible?

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63.

How to check if HSTS is enabled?

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