The “external sender” warnings shown to email recipients by clients like Microsoft Outlook can be hidden by the sender, as demonstrated by a researcher. Turns out, all it takes for attackers to alter the “external sender” warning, or remove it altogether from emails is just a few lines of HTML and CSS code. […] – Read More – BleepingComputer

By |2021-04-22T10:20:19-04:00April 22nd, 2021|