Forget racy web surfing and possible “video capture” of user activities—these threats are all about user security—starting with passwords. Porn scams have become the digital equivalent of yesterday’s door-to-door magazine salesmen—they show up on your…

For the past few months, a phishing scam known as “sextortion” has been targeting Internet users in a variety of ways. (Phishing is a common method of tricking people into doing something dangerous—from clicking on…