Fintech Firm Marquis Blames SonicWall Firewall Breach for 2025 Data Leak
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In January 2026, fintech company Marquis attributed a 2025 data breach to a compromise at its firewall provider, SonicWall. The incident exposed firewall configurations of its clients. Marquis announced its intention to seek reimbursement for expenses incurred from SonicWall. No additional technical details, such as the attack vector or the volume of affected data, were disclosed.