CAPTCHA is used to provide protection from
Tripura Public Service Commission - 2025,
Answer: C
CAPTCHA protects against automated scripted attacks.
A CAPTCHA, a Completely Automated Public Turing test to tell Computers and Humans Apart, sets a task that people solve easily but programs find hard. It stops bots from mass-registering accounts, guessing passwords, posting spam or scraping forms.
It does nothing against zero-day exploits, buffer overflows or man-in-the-middle interception, which attack software flaws or the network rather than form submissions.
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