Proton, the company behind the end-to-end encrypted Proton Mail, has released PRoton CAPTCHA, a layered system to differentiate between humans and bots. For the past decade-and-a-half, CAPTCHAs and ...

Spammers have cracked Microsoft Corp. ‘s latest defense against abuse of its Live Hotmail e-mail service using a sophisticated network of hacked computers that receive encrypted instructions from a ...

Bots are better and faster than humans at online CAPTCHA tests designed to keep them out of websites. The finding calls into question whether we should continue using these kind of security measures, ...

Why it matters: The usefulness of Captcha tests depends on their ability to deter bots without significantly inconveniencing human users. Although not yet peer-reviewed, the results of a new study ...