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Tag: CAPTCHA

bitdefender.com

April 30, 2020

Cybercriminals are using Google reCAPTCHA to hide their phishing attacks

March 12, 2013

Chess CAPTCHA – a serious defence against spammers?

November 26, 2012

Share via email “Friends” spam via The Daily Mail leads to 419 scam

October 8, 2012

Civil Rights CAPTCHA asks how you feel about gay people being beaten with sticks

August 4, 2011

Facebook CAPTCHA fail

March 9, 2011

A complicated calculus-based anti-spam CAPTCHA

        

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