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What is the purpose of a CAPTCHA?
- a)To protect against spam emails
- b)To verify the identity of a user
- c)To block access to certain websites
- d)To prevent unauthorized access to a network
- e)To enhance internet speed
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What is the purpose of a CAPTCHA?a)To protect against spam emailsb)To ...
CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) is a security measure used to determine whether the user is human or a computer program. It presents users with challenges (such as distorted text or image recognition) that are easy for humans to solve but difficult for automated bots.
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What is the purpose of a CAPTCHA?a)To protect against spam emailsb)To ...
Verification of User Identity
CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. Its primary purpose is to verify that the user trying to access a website or service is actually a human and not a bot. Here's why CAPTCHAs are used for verifying user identity:
Preventing Automated Attacks
CAPTCHAs are designed to prevent automated software, or bots, from carrying out malicious activities on websites. By presenting a challenge that is easy for a human to solve but difficult for a bot, CAPTCHAs help ensure that only legitimate users can access the website.
Protecting Against Credential Stuffing
CAPTCHAs are also used to protect against credential stuffing attacks, where attackers use automated tools to try large numbers of username and password combinations to gain unauthorized access to user accounts. By requiring users to solve a CAPTCHA before logging in, websites can prevent these types of attacks.
Enhancing Security
In addition to verifying user identity, CAPTCHAs can also enhance the overall security of a website or service. By adding an extra layer of protection, CAPTCHAs make it more difficult for attackers to exploit vulnerabilities and carry out malicious activities.
Conclusion
In conclusion, the primary purpose of a CAPTCHA is to verify the identity of a user and prevent automated bots from carrying out malicious activities. By presenting a challenge that is difficult for bots to solve, CAPTCHAs help enhance security and protect against various types of attacks.
CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. Its primary purpose is to verify that the user trying to access a website or service is actually a human and not a bot. Here's why CAPTCHAs are used for verifying user identity:
Preventing Automated Attacks
CAPTCHAs are designed to prevent automated software, or bots, from carrying out malicious activities on websites. By presenting a challenge that is easy for a human to solve but difficult for a bot, CAPTCHAs help ensure that only legitimate users can access the website.
Protecting Against Credential Stuffing
CAPTCHAs are also used to protect against credential stuffing attacks, where attackers use automated tools to try large numbers of username and password combinations to gain unauthorized access to user accounts. By requiring users to solve a CAPTCHA before logging in, websites can prevent these types of attacks.
Enhancing Security
In addition to verifying user identity, CAPTCHAs can also enhance the overall security of a website or service. By adding an extra layer of protection, CAPTCHAs make it more difficult for attackers to exploit vulnerabilities and carry out malicious activities.
Conclusion
In conclusion, the primary purpose of a CAPTCHA is to verify the identity of a user and prevent automated bots from carrying out malicious activities. By presenting a challenge that is difficult for bots to solve, CAPTCHAs help enhance security and protect against various types of attacks.
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