Threat actors are very smart at having various methods of communication. New research by Jigsaw Security shows that threat actors are using specially created email boxes to make it appear as though the accounts emailed are invalid, however the threat actors are using a feature in mail servers to deliver the content anyway. We are not sure why the threat actors are taking this step but it may be used like a digital dead drop to send messages to perform other actions. We are al

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Jigsaw Security today has released our newest security protection product that is specifically designed to prevent email based attacks such as Phishing and nuisance campaigns such as Locky and Cerber ransomware. The new version of FirstWatch is specifically geared to run with your existing email platform to prevent attacks even when phishing emails make it to the end users mailbox. The new sensor combines our already existing user interface, threat intelligence feed, DNS sink