The Microsoft Unusual Sign in Activity scam email below, which appears to have been sent from "no-reply@microsoft.com" but has an actual reply email address of unusual.activity@recognized-sec.com, is being sent by scammers or cybercriminals.
The Microsoft Unusual Sign in Activity Scam Email
If you have the "Microsoft Unusual Sign in Activity" scam email, please do not click the link in it. If you want to sign in your Microsoft to verify certain activity, please go directly to Microsoft's legitimate website at: https://account.microsoft.com/