Blumira Briefings

Microsoft Defender, SimpleHelp Auth Vulns, and the ARToken Platform - Blumira Briefings, July 3 2026

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0:00 | 10:27

Welcome to Blumira Briefings, your weekly download of the top headlines and trends for your security practice!

In this week's edition: 
- CISA Confirms Microsoft Defender Flaw Actively Exploited in Ransomware Campaigns for System Access 
- Critical SimpleHelp Authentication Bypass Actively Exploited, Puts Managed Service Providers at Risk 
- Advanced Phishing Kit Resembles Business Email Compromise Platform, Bypasses Multi-Factor Authentication

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Sources:
CISA Warns BlueHammer Flaw Is Now Exploited in Ransomware Attacks
https://securityaffairs.com/194577/security/cisa-warns-bluehammer-flaw-is-now-exploited-in-ransomware-attacks.html
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U.S. CISA adds SimpleHelp flaw to its Known Exploited Vulnerabilities catalog
https://securityaffairs.com/194503/security/u-s-cisa-adds-simplehelp-flaw-to-its-known-exploited-vulnerabilities-catalog.html
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This phishing kit looks more like BEC-as-a-service
https://cyberscoop.com/artoken-bec-platform-cisco-talos/
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