Final answer:
CSRF, or Cross-Site Request Forgery, is a web security vulnerability that tricks a user into performing actions on a different website without their consent. It occurs when a malicious website or attacker tricks a victim into making a request on a trusted website where the victim is authenticated.
Step-by-step explanation:
CSRF, or Cross-Site Request Forgery, is a web security vulnerability that tricks a user into performing actions on a different website without their consent. It occurs when a malicious website or attacker tricks a victim into making a request on a trusted website where the victim is authenticated. The attacker can then exploit this trust to perform unauthorized actions on behalf of the victim.
For example, let's say a user is logged into their bank account and visits another website that contains a CSRF attack. If the attacker can trick the user into clicking on a malicious link, the attacker can make the user unknowingly perform actions on the bank website, like transferring money or changing the account password.
To protect against CSRF attacks, web applications often implement security measures such as including anti-CSRF tokens with each request and validating the origin of requests.