Most captchas are on websites where you have to create an account for something. Are captchas preventing some kind of automation scripts that create multiple accounts on a website?
What are some other reasons that captchas exist?
In: Technology
> Are captchas preventing some kind of automation scripts that create multiple accounts on a website?
Yep. With no CAPTCHA, anything a human can do on a website, a bot can do.
Common kinds of automated abuse are:
– Registering lots of accounts
– Creating lots of spammy posts, DM’s, etc.
– Trying lots of common passwords to steal an account
– Use up lots of resources to take the site offline, then helpfully “offer” the website owner to stop in exchange for payment (extortion)
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