The Danger of SuperMailer Abuse: A Bypass to Email Security for Credential Theft
Phishing Campaigns Use SuperMailer to Evade Email Security A high-volume, credential-harvesting campaign is using a legitimate email newsletter program called SuperMailer to send phishing emails designed to evade secure email gateway (SEG) protections. This campaign’s monthly volume has more than doubled in three out of the past four months, accounting for a significant 5% of…