Marquis data breach impacts over 74 US banks, credit unions
Marquis Software Solutions, a financial software company, has issued a warning about a data breach that affected numerous US banks and credit unions.
Marquis Software Solutions serves more than 700 banks, credit unions, and mortgage lenders with data analytics, CRM tools, compliance monitoring, and digital marketing services.
Marquis claims in data breach reports submitted to US Attorney General offices that it experienced a ransomware assault on August 14, 2025, following a network intrusion via its SonicWall firewall.
This made it possible for the hackers to take "specific files from its systems during the attack."According to a report submitted to Maine's AG office, the review found read more about Marquis data breach impacts over 74 US banks credit unions.
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