Marquis says over 672,000 people had personal and financial data stolen inransomware attack

Marquis, a Texas-based fintech, reported that over 672,000 individuals had personal and financial data stolen in a ransomware attack from August 2025. The breach exposed sensitive information including names, account numbers, and Social Security numbers, leading Marquis to sue firewall provider SonicWall for security failures that facilitated the attack.

Key Points

• Marquis experienced a ransomware attack in August 2025, resulting in data theft affecting 672,075 individuals.
• Hackers stole personal info including names, DOBs, postal addresses, and financial data like bank account and Social Security numbers.
• Over half of affected individuals reside in Texas.
• Marquis filed a lawsuit against SonicWall for alleged security weaknesses that led to the breach.

Relevance

• This incident reflects a trend in increased ransomware attacks targeting financial institutions.
• By 2025, cyber security has been a critical concern due to the rise in data breaches and regulatory scrutiny.
• The use of financial technology has surged, making data security essential for protecting consumer trust.

The ransomware attack on Marquis highlights critical vulnerabilities in fintech cybersecurity, prompting calls for better data protection measures and accountability among firewall providers as the industry evolves.