Texas-Based Marquis Software Blames SonicWall Cloud Backup Flaw for 2025 Ransomware Attack
cybersecurityransomwarecloud_securityfinancial_servicesdata_breachvulnerabilityTexasSonicWall
Texas-based financial services provider Marquis Software Solutions has attributed a ransomware attack that occurred in August 2025 to a security flaw in SonicWall's cloud backups, which was disclosed a month later. The incident impacted dozens of banks and credit unions across the United States. No specific vulnerability (CVE) or additional technical details have been provided. The breach affected Marquis's systems and its financial institution clients.