MailSecHub aggregates coverage of phishing campaigns, business email compromise, malware delivery, spoofing and email authentication (SPF, DKIM, DMARC) from top reputable sources. The pipeline polls every two hours, deduplicates and classifies each story by threat category — filter by source or topic to get to what is relevant to your environment.
A weekly briefing summarizes the most significant developments, and the same digest is delivered every Monday morning via the newsletter.
Law enforcement and CrowdStrike disrupted the 23-year-old Sality peer-to-peer botnet affecting 15,000+ machines worldwide. The botnet distributed malware enabling credential theft, spam, proxying, and DDoS attacks. This takedown protects organizations from ongoing malware delivery and credential compromise risks.
Russian state-sponsored attackers have exploited a Zimbra vulnerability for over a year, infecting targets automatically when viewing emails—without requiring clicks or file downloads. The campaign, attributed to Laundry Bear, affected government and commercial networks across the US, UK, and allies since July 2025.
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