Tag: PENN-STATE

CAPTCHAs are becoming both ubiquitous and useless. When you visit many web sites, you have to decipher some tough-to-read text and enter it in a box before you can leave a comment or send an email. But hackers are getting better and better at developing automated systems to crack CAPTCHAs, which means that you have to squint at the screen for nothing. But some researchers at Penn State ...