hacked

A little advice needed. I have an elderly customer who had his Gmail hacked. Only has email on one device, and only had one active email address, so didn't have a recovery email address set, but he has 2 step authentication turned on (text to his iPhone). Apparently under some circumstances...

So, I got a call from a business client on Monday. Their main business email acct (Yahoo -- I know, I know, I've been telling them for years but they just won't change) was hacked the previous Friday. The hackers got into the account and created a new account with a number one added to the...