"Switch to the Newest ATT-Yahoo Mail Inbox" email message below, which claims recipients' AT&T Mail classic version will be replaced by a new version, is a phishing scam being used to target AT&T customers. The phishing email message, which also claims that if the recipients do not update their information, their accounts will be permanently closed, is being sent by cybercriminals to trick AT&T customers into clicking on the link in it. The link in the email message goes to a fake AT&T website that will ask visitors to sign-in. Once visitors attempt to sign into the fake website with their AT&T credentials, the information will be sent to the cybercriminals behind the phishing scam.
The "Switch to the Newest ATT-Yahoo Mail Inbox" Scam
From: AT&T-Yahoo Mail <email@example.com>
Date: October 23, 2019 at 11:19:16 AM CDT
Subject: Switch to the Newest AT&T-Yahoo Mail Inbox
Reply-To: AT&T-Yahoo Mail <firstname.lastname@example.org>
The Classic version of your Mail will be replaced by our new version on 23rd, October 2019. So it's time to upgrade, before you lose your email access.
Protecting your information is important and secured with us and we work continuously to strengthen the threats targeting our Financial Institution.
Thanks for choosing
AT&T-Yahoo Mail Administrator
©2019 Yahoo Communications Corporation. All rights reserved
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Once the cybercriminals have received the stolen AT&T credentials, they will use it to hijack their potential victims’ accounts and use the accounts fraudulently. This is why AT&T customers should never click on links in email messages to sign into their accounts, they should instead, go directly to https://www.att.com/ and sign into their email accounts from there. If there is someone that needs to be done their accounts, they will be notified after signing in.
AT&T customers who have been tricked by the phishing scam are asked to contact AT&T for help.