For decades, businesses have operated online, generally assuming that there’s always a human on the other side of the screen.

Bills to outlaw the use of computer bots to buy event tickets passed in the Michigan House of Representatives Tuesday. Ticket bots gained extra attention a few years ago when scammers used them to buy ...

One of the telltale signs that your computer has been compromised is unexplained slowdowns and constant background activity — even when you’re not using your computer. Additionally, look out for ...

PHOENIX — State lawmakers are moving to make it illegal to use computer “bots’’ to scoop up tickets for concerts and sporting events and then resell them to Arizonans at sharply inflated prices. But ...

CAPTCHAs are those now ubiquitous challenges you encounter to prove that you’re a human and not a bot when you go to log in to many websites. As a computer scientist, I see CAPTCHAs as an effective ...