These people called me pretending to be from gmail technical support. They said somebody was using my gmail account to purchase overseas and hack into my computer. To verify there legitimacy they gave me this number, suggested I call it, which I did and they promptly answered the phone as Google or Gmail technical support. I let them login to my computer, change my password as they pretended to find hackers. When they wanted to download software, I grew suspicious, ended the call. Then I called Mac support who informed me they were scammers and fixed the mess they caused on my computer.