Marquis Sues SonicWall Over 2025 Firewall Data Breach
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Operational Brief
Marquis Software Solutions sued SonicWall over a 2025 data breach claiming the cloud backup flaw exposed firewall configuration files, enabling an August 2025 ransomware attack and triggering class action lawsuits. The incident involved sensitive credentials and multifactor authentication scratch codes.
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Lawsuit Claims SonicWall Cloud Backup Flaw Led to Ransomware Attack Against Marquis Marquis Software Solutions has sued SonicWall alleging a cloud backup data breach exposed firewall configuration files, including credentials and multifactor authentication scratch codes. The firm says the breach enabled an August 2025 ransomware attack and triggered dozens of class action lawsuits.