Tag: captcha


Hackers Hiding Malware behind Captcha to Bypass Secure Email Gateways

Hackers using Captcha to hide the presence of malware and to evade email security gateways. By using this technique attackers show that...

unCaptcha to Break reCaptcha System of Defense in 5.42 Seconds

Captcha challenge is the first line of defense to protect the website against attacks, it challenges to prove that you are the human user. Google's...


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