If the fake technical support telephone number is called, the cybercriminals on the other end will pretend to be a technical support representative from Microsoft. The cybercriminals will instruct their potential victims into giving them access to their computer, and ask for personal and financial information.
A Fake "Microsoft Technical Support" Email
Windows Account Unusual Sign-in Activity
We Have Detected Unusual Activity With Your Windows Account on Your Computer.
Login Has Occurred on 08/10/2019 @ 5:23 AM EST From IP: 128.58.457.54 Geo
Location Found: Eastern Russia.
If This Was Not You Please Call the Windows Security Team at 1-858-451-4210.
(Be at your computer)
Windows Security Team