Security Quiz – You can test your knowledge with this Security Testing.
1. What is the primary goal of security testing in API testing?
a) To ensure the API functions as expected
b) To verify the API’s security features against potential vulnerabilities
c) To check API response times
d) To test the user interface of the API
Answer 1
b) To verify the API’s security features against potential vulnerabilities
2. Which of the following is a common security vulnerability in APIs?
a) SQL Injection
b) Cross-Site Scripting (XSS)
c) Cross-Site Request Forgery (CSRF)
d) All of the above
Answer 2
d) All of the above
3. Which attack can occur if an API does not properly validate user inputs?
a) Cross-Site Scripting (XSS)
b) Denial of Service (DoS)
c) SQL Injection
d) Both a and c
Answer 3
d) Both a and c
4. What type of vulnerability can occur if an API leaks sensitive information in error messages?
a) Data Injection
b) Information Disclosure
c) XML External Entity (XXE)
d) Broken Object Level Authorization (BOLA)
Answer 4
b) Information Disclosure
5. Which of these is a common tool used for API security testing?
a) Postman
b) Burp Suite
c) Swagger
d) Selenium
Answer 5
b) Burp Suite
6. Which of the following is NOT a common security mechanism used for APIs?
a) OAuth
b) JWT (JSON Web Token)
c) SSL/TLS
d) XML Parsing
Answer 6
d) XML Parsing
7. What does the term “Rate Limiting” refer to in API security?
a) The process of limiting the number of API requests a user can make within a specified time period
b) The restriction of access to a specific set of users based on their IP address
c) The process of allowing only authenticated users to access the API
d) The encryption of data being sent in API requests
Answer 7
a) The process of limiting the number of API requests a user can make within a specified time period
8. What is the primary purpose of using an API token for authentication?
a) To ensure that the API request is coming from a valid user or system
b) To speed up the API response
c) To make the API endpoint accessible to everyone
d) To increase the load on the server
Answer 8
a) To ensure that the API request is coming from a valid user or system
9. What is the best practice to prevent SQL Injection in API testing?
a) Allowing raw user inputs in the SQL queries
b) Using parameterized queries or prepared statements
c) Relying only on the database’s built-in security
d) Allowing all API inputs
Answer 9
b) Using parameterized queries or prepared statements
10. Which of the following is a technique for testing the authorization of API access?
a) Testing if an API endpoint allows unauthenticated requests
b) Testing the validity of an API token
c) Ensuring that API responses include proper status codes for unauthorized access (e.g., 401, 403)
d) All of the above
Answer 10
d) All of the above
11. What is the significance of encryption in API security?
a) To ensure data integrity by verifying the data is not tampered with
b) To ensure data is securely transmitted and cannot be easily read by unauthorized users
c) To speed up the API response
d) To allow multiple API users to access the same data
Answer 11
b) To ensure data is securely transmitted and cannot be easily read by unauthorized users
12. Which of the following API security measures helps in protecting sensitive data during transmission?
a) Use of HTTPS
b) IP Whitelisting
c) User Authentication
d) Query String Parameters
Answer 12
a) Use of HTTPS
13. What type of attack does Cross-Site Request Forgery (CSRF) typically target in API security?
a) It exploits the trust that a site has in the user’s browser
b) It targets the API endpoint to inject malicious code
c) It exploits weaknesses in the client-side JavaScript
d) It bypasses authentication mechanisms
Answer 13
a) It exploits the trust that a site has in the user’s browser
14. Which method is commonly used to protect sensitive data in APIs during storage?
a) Encryption
b) Caching
c) Compression
d) Rate Limiting
Answer 14
a) Encryption
15. What type of API attack involves sending malicious code through input fields to compromise the server or database?
a) Cross-Site Scripting (XSS)
b) SQL Injection
c) Man-in-the-Middle (MitM)
d) DoS (Denial of Service)
Answer 15
b) SQL Injection
16. Which of the following is a valid security mechanism to prevent API key theft?
a) Store the API key in a local text file
b) Use secure methods like OAuth for authentication
c) Embed API keys directly in the frontend JavaScript code
d) None of the above
Answer 16
b) Use secure methods like OAuth for authentication
17. What is Broken Object Level Authorization (BOLA)?
a) An attack that exploits poor input validation
b) A vulnerability where users can access objects they are not authorized to view
c) A flaw in API rate limiting implementation
d) A security gap caused by misconfigured SSL/TLS settings
Answer 17
b) A vulnerability where users can access objects they are not authorized to view
18. What does the term API spoofing refer to in security?
a) Manipulating API responses to deceive users
b) Impersonating a legitimate user or system to gain unauthorized access
c) Intercepting API requests and altering data during transmission
d) Exploiting an API vulnerability to crash the server
Answer 18
b) Impersonating a legitimate user or system to gain unauthorized access
19. Which of the following is a best practice for securing API endpoints?
a) Using a single access key for all users
b) Applying security measures such as authentication, encryption, and authorization for every API request
c) Allowing unlimited access to the API without any restrictions
d) Not validating input from users
Answer 19
b) Applying security measures such as authentication, encryption, and authorization for every API request
20. Which of the following is an example of an insecure API design practice?
a) Using secure, token-based authentication (OAuth)
b) Storing API keys in a public GitHub repository
c) Encrypting sensitive data in transit
d) Implementing rate limiting
Answer 20
b) Storing API keys in a public GitHub repository
21. What is the primary function of OAuth in API security?
a) To enable public access to APIs
b) To authenticate and authorize users securely for API access
c) To protect the API server from being overloaded
d) To validate data inputs
Answer 21
b) To authenticate and authorize users securely for API access
22. Which HTTP status code indicates that a client is not authorized to access a resource?
a) 200 OK
b) 401 Unauthorized
c) 500 Internal Server Error
d) 404 Not Found
Answer 22
b) 401 Unauthorized
23. Why is it essential to validate API responses?
a) To minimize bandwidth usage
b) To detect unauthorized data leakage
c) To ensure API compatibility with browsers
d) To verify that the API uses REST principles
Answer 23
b) To detect unauthorized data leakage
24. What type of API attack involves overwhelming the server with a massive number of requests?
a) SQL Injection
b) XML Injection
c) Denial of Service (DoS)
d) Man-in-the-Middle (MITM)
Answer 24
c) Denial of Service (DoS)
25. What is the purpose of using CORS (Cross-Origin Resource Sharing) in API security?
a) To block all external access to APIs
b) To prevent unauthorized domains from accessing API resources
c) To speed up API communication
d) To allow unrestricted access to API endpoints
Answer 25
b) To prevent unauthorized domains from accessing API resources
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