A credential phishing campaign using the legitimate SuperMailer newsletter distribution app has doubled in size each month since January 2023. A credential phishing campaign using the legitimate ...

A high-volume credential-harvesting campaign is using a legitimate email newsletter program named SuperMailer to blast out a significant number of phishing emails designed to evade secure email ...

Network security firm Cofense was able to identify a code trace in phishing emails that revealed SuperMailer abuse in the attacks. SuperMailer, a legitimate email newsletter program, has been found ...