The scams always start out innocently enough.
Maybe a phone call. From someone who says he works for Amazon, claiming he noticed someone hacked into your account. Maybe someone who says she works for Microsoft, offering a refund for a computer security service you bought a few years ago that stopped working.
Lisa Hernandez was trying to reach Match.com, the dating site, to cancel her account when it happened to her. The 50-year-old single mother of four had signed up for the service but decided she didn’t want to stay with it.
She searched on Google for a customer service number to call. What she found instead was a fake website, built to look legitimate but with a phone number that connected her to a scammer posing as Match customer service. Kevin, the man on the other end of the line, said he could help. First, though, he told her she needed to install a program called TeamViewer, which allowed him remote control of her…