I’ve dealt with this a couple of times now so I wanted to bring it to your attention again.
The AT&T support “scam” is not new to me. I am going to use quotation marks around that word because I can’t say whether it was true fraud or just deceptive business practices. The story goes something like this. A local internet customer (either with Frontier or now the cable company) has an old @att.net, @sbcglobal.net, or @snet.net e-mail address. They have problems with the account. These e-mails were provided through a partnership of ATT and Yahoo in the past. Frontier did not take over the e-mail accounts and legitimately, they are not servicing them. So, the customer such as calls ATT for support after searching for the phone number on the internet. I have to stop right there and say that they may not have truly reached ATT. Therefore, “ATT” doesn’t really want to deal with it so they recommend an outside firm that charges anywhere from $200 to $800 for support with the ATT e-mail account and perhaps other computer issues. In my opinion, the ATT employee that made this referral may have been doing this unofficially, without the blessing of ATT. Either way, it is shady to me. The calls may be routed to India. The customer gives them access to their computer.
If it were me, I would want a professional to examine my computer to see if there were any traces of access that “ATT” or the other firm still had to my computer. I would back up my data and then I would do a “clean install” of Windows or mac OS for security purposes to truly eliminate all threats. This procedure takes 1.5 to 2.5 hours.