What is Cross-Site Request Forgery (CSRF)?
a. An attack that tricks a user into making unwanted requests to a different site where they are authenticated
b. A method to encrypt data
c. A technique for securing authentication tokens
d. A way to manage user sessions
Answer: a. An attack that tricks a user into making unwanted requests to a different site where they are authenticated
Which of the following is a common method used to prevent CSRF attacks in ASP.NET?
a. Using anti-forgery tokens
b. Disabling cookies
c. Encrypting data
d. Implementing rate limiting
Answer: a. Using anti-forgery tokens
What is the purpose of an anti-forgery token?
a. To ensure that requests are coming from the authenticated user and not an attacker
b. To encrypt data during transmission
c. To handle session state
d. To manage user authentication
Answer: a. To ensure that requests are coming from the authenticated user and not an attacker
Which method in ASP.NET MVC is used to generate an anti-forgery token?
a. @Html.AntiForgeryToken()
b. @Html.Encode()
c. @Html.ActionLink()
d. @Html.Partial()
Answer: a. @Html.AntiForgeryToken()
How does ASP.NET MVC validate anti-forgery tokens?
a. By comparing the token sent with the request to the token stored in the user’s session
b. By encrypting the request data
c. By validating the user’s credentials
d. By managing session cookies
Answer: a. By comparing the token sent with the request to the token stored in the user’s session
What is the function of the [ValidateAntiForgeryToken] attribute in ASP.NET MVC?
a. To ensure that a request includes a valid anti-forgery token
b. To encrypt the request data
c. To manage user sessions
d. To handle authentication
Answer: a. To ensure that a request includes a valid anti-forgery token
Which of the following scenarios is a typical vector for CSRF attacks?
a. An attacker crafting a malicious link that performs actions on a site where the user is authenticated
b. An attacker injecting SQL code into a database
c. An attacker intercepting network traffic
d. An attacker exploiting a file upload vulnerability
Answer: a. An attacker crafting a malicious link that performs actions on a site where the user is authenticated
How can developers ensure that anti-forgery tokens are included in AJAX requests?
a. By manually adding the token to the request headers
b. By disabling JavaScript
c. By using only server-side code
d. By ignoring request validation
Answer: a. By manually adding the token to the request headers
What is the purpose of including the X-Requested-With header in AJAX requests?
a. To indicate that the request was made using JavaScript and to help prevent CSRF attacks
b. To encrypt the request data
c. To manage user authentication
d. To handle session state
Answer: a. To indicate that the request was made using JavaScript and to help prevent CSRF attacks
What does the term “SameSite” refer to in the context of cookies and CSRF protection?
a. An attribute that can be set on cookies to restrict their usage to same-site requests only
b. A method for encrypting cookies
c. A way to handle user sessions
d. A technique for managing authentication
Answer: a. An attribute that can be set on cookies to restrict their usage to same-site requests only
What is the significance of setting the SameSite attribute to Strict or Lax?
a. It helps prevent CSRF attacks by restricting when cookies are sent in cross-site requests
b. It encrypts cookie data
c. It manages user sessions
d. It handles authentication
Answer: a. It helps prevent CSRF attacks by restricting when cookies are sent in cross-site requests
Which of the following best describes a CSRF token?
a. A unique, unpredictable value generated for each user session to prevent unauthorized actions
b. An encrypted password
c. A user session identifier
d. A public key for encryption
Answer: a. A unique, unpredictable value generated for each user session to prevent unauthorized actions
What is the role of the RequestVerificationToken in CSRF protection?
a. To verify that requests are made by the authenticated user and not an attacker
b. To encrypt data during transmission
c. To manage user sessions
d. To handle authentication
Answer: a. To verify that requests are made by the authenticated user and not an attacker
Which HTTP method is typically less vulnerable to CSRF attacks due to its behavior?
a. GET
b. POST
c. PUT
d. DELETE
Answer: a. GET
Why is it important to use POST requests for sensitive operations in relation to CSRF?
a. POST requests can include anti-forgery tokens and are less likely to be triggered unintentionally by malicious links
b. GET requests are encrypted by default
c. POST requests are easier to cache
d. GET requests are more secure
Answer: a. POST requests can include anti-forgery tokens and are less likely to be triggered unintentionally by malicious links
Which feature of ASP.NET Core helps to prevent CSRF attacks?
a. Built-in support for anti-forgery tokens
b. Encryption of all data
c. Session management
d. Custom authentication schemes
Answer: a. Built-in support for anti-forgery tokens
What is the role of the @Html.AntiForgeryToken() method in Razor views?
a. To insert a hidden field with an anti-forgery token into the form
b. To encrypt form data
c. To manage user sessions
d. To handle authentication
Answer: a. To insert a hidden field with an anti-forgery token into the form
How can CSRF attacks be mitigated when using single-page applications (SPAs)?
a. By using frameworks that support CSRF protection and sending anti-forgery tokens in headers
b. By disabling JavaScript
c. By using only server-side rendering
d. By ignoring cross-origin requests
Answer: a. By using frameworks that support CSRF protection and sending anti-forgery tokens in headers
What should be done if an ASP.NET application is vulnerable to CSRF attacks?
a. Implement CSRF protection techniques such as anti-forgery tokens and validate them on the server
b. Ignore the vulnerability until it becomes critical
c. Disable all web forms
d. Remove user authentication
Answer: a. Implement CSRF protection techniques such as anti-forgery tokens and validate them on the server
Which of the following is an indication that a web application might be vulnerable to CSRF?
a. Lack of anti-forgery tokens in forms and AJAX requests
b. Use of strong passwords
c. Proper encryption of data
d. Secure session management
Answer: a. Lack of anti-forgery tokens in forms and AJAX requests
What is the primary purpose of the AntiForgeryToken attribute in ASP.NET MVC?
a. To ensure that a request comes from the same user who requested the page
b. To manage session state
c. To encrypt data during transmission
d. To handle user authentication
Answer: a. To ensure that a request comes from the same user who requested the page
How does ASP.NET Core ensure that anti-forgery tokens are validated in a POST request?
a. By checking the token included in the request against the token stored in the user’s session
b. By encrypting the request data
c. By managing user authentication
d. By handling session state
Answer: a. By checking the token included in the request against the token stored in the user’s session
What is a common characteristic of CSRF attacks?
a. They exploit the trust that a site has in the user’s browser
b. They rely on exploiting server vulnerabilities
c. They require direct access to the server
d. They involve injecting SQL queries
Answer: a. They exploit the trust that a site has in the user’s browser
Why is it important to protect against CSRF attacks in web applications?
a. To prevent unauthorized actions that could affect user accounts or data
b. To manage session state
c. To handle encryption of data
d. To secure network traffic
Answer: a. To prevent unauthorized actions that could affect user accounts or data
Which HTTP header can be used to prevent CSRF attacks in AJAX requests?
a. X-Requested-With: XMLHttpRequest
b. Content-Type
c. Authorization
d. Accept
Answer: a. X-Requested-With: XMLHttpRequest
What is a common defense mechanism against CSRF in single-page applications?
a. Including anti-forgery tokens in requests and headers
b. Disabling JavaScript
c. Using only server-side rendering
d. Ignoring cross-origin requests
Answer: a. Including anti-forgery tokens in requests and headers
How does the AntiForgery middleware in ASP.NET Core help with CSRF protection?
a. It automatically generates and validates anti-forgery tokens for requests
b. It encrypts data during transmission
c. It manages user authentication
d. It handles session state
Answer: a. It automatically generates and validates anti-forgery tokens for requests
What does the CookieSameSite attribute do in the context of CSRF protection?
a. It restricts how cookies are sent in cross-site requests to mitigate CSRF attacks
b. It encrypts cookies
c. It handles user sessions
d. It manages authentication
Answer: a. It restricts how cookies are sent in cross-site requests to mitigate CSRF attacks
Which ASP.NET Core feature can help prevent CSRF attacks by validating requests?
a. Anti-forgery token validation
b. Encryption of request data
c. User session management
d. Custom authentication schemes
Answer: a. Anti-forgery token validation
What is the role of the HttpContext.RequestServices in relation to CSRF protection?
a. It provides access to services for handling anti-forgery tokens
b. It manages user authentication
c. It handles encryption
d. It manages session state
Answer: a. It provides access to services for handling anti-forgery tokens
What should be included in a CSRF protection strategy for forms?
a. Anti-forgery tokens in the form data
b. Encryption of form data
c. Strong passwords
d. Secure network connections
Answer: a. Anti-forgery tokens in the form data
Why is it important to validate anti-forgery tokens on the server side?
a. To ensure the request is legitimate and prevent CSRF attacks
b. To encrypt data
c. To handle session state
d. To manage user authentication
Answer: a. To ensure the request is legitimate and prevent CSRF attacks
Which of the following statements about CSRF attacks is true?
a. CSRF attacks exploit the trust a site has in the user’s browser
b. CSRF attacks are prevented by encrypting data
c. CSRF attacks involve SQL injection
d. CSRF attacks are mitigated by using strong passwords
Answer: a. CSRF attacks exploit the trust a site has in the user’s browser
What is the benefit of using ValidateAntiForgeryToken in ASP.NET MVC?
a. It ensures that the request contains a valid anti-forgery token
b. It manages user authentication
c. It encrypts data in transit
d. It handles session state
Answer: a. It ensures that the request contains a valid anti-forgery token
Which technique can help to protect against CSRF attacks in a RESTful API?
a. Implementing anti-forgery token mechanisms or using custom headers for validation
b. Disabling all cookies
c. Encrypting API responses
d. Using only GET requests
Answer: a. Implementing anti-forgery token mechanisms or using custom headers for validation
How can the use of SameSite cookies contribute to CSRF protection?
a. By restricting cookie usage to same-site requests, reducing the risk of cross-site attacks
b. By encrypting cookie data
c. By managing user sessions
d. By handling authentication
Answer: a. By restricting cookie usage to same-site requests, reducing the risk of cross-site attacks
What is the impact of not using anti-forgery tokens in forms that modify data?
a. Increased risk of CSRF attacks that can perform unauthorized actions
b. Improved performance of the application
c. Simplified code management
d. Enhanced encryption security
Answer: a. Increased risk of CSRF attacks that can perform unauthorized actions
How can developers use the @Html.AntiForgeryToken() method to protect against CSRF?
a. By including an anti-forgery token in the form that can be validated on the server side
b. By encrypting the form data
c. By handling session state
d. By managing user authentication
Answer: a. By including an anti-forgery token in the form that can be validated on the server side
What should a CSRF protection strategy for a web application include?
a. Anti-forgery tokens, secure coding practices, and validating incoming requests
b. Encryption of all user data
c. Managing user sessions
d. Handling authentication
Answer: a. Anti-forgery tokens, secure coding practices, and validating incoming requests