Gmail users, if you have received the "Critical Security Alert for Your Account" email below, which claims a sign-in attempt was blocked for your account, please do not follow the instructions in it. This is because the email is a phishing scam being sent by cybercriminals to steal their potential victims' Gmail account credentials (usernames and passwords).
The "Gmail Critical Security Alert for Your Account" Scam
From: Administration <derogatesmqx575@hallenobjekte.com>
Date: April 1, 2018 at 6:08:15 AM PDT
Subject: Critical security alert for your account
Your account is listed as the recovery email for. Don't recognize this profile? click here.
Sign-in attempt was blocked for your linked account
Someone just used your password to try to sign in to your profile.
CHECK ACTIVITY
You received this email to let you know about important changes to your profile and services.
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Gmail users should never click on a link to sign into their accounts, they should instead, go directly to https://myactivity.google.com/ to check their account activity log.