Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Marquis Software Solutions

1 breach400K affected in allTechmarquis.com

Company profile
Ransomware at bank marketing vendor Marquis exposes 400,000+ customersRansomware exposed names, Social Security numbers, financial details, payment cards, dates of birth and addresses. Reported to the California AG.Ransomware400K affectedFinanceUSNov 26, 2025
About

Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages, the company profile.

source2026-09-25
Marquis Software Solutions, 2025-11-26https://ago.vermont.gov/document/2025-11-26-marquis-software-solutions-data-breach-notice-consumers
source2026-09-25
Marquis Software Solutions, 2025-11-26https://ago.vermont.gov/document/2026-03-16-marquis-software-solutions-data-breach-notice-consumers
data_types2026-09-25
Marquis Software Solutions, 2025-11-26["names","ssn","financial","payment-card","dob","addresses"]
sector2026-09-25
Marquis Software Solutions, 2025-11-26finance
data_types2026-09-25
Marquis Software Solutions, 2025-11-26["names","ssn","financial"]
records_basis2026-09-25
Marquis Software Solutions, 2025-11-26organization
records2026-09-25
Marquis Software Solutions, 2025-11-26400000
summary2026-09-25
Marquis Software Solutions, 2025-11-26Marquis, a marketing and compliance vendor to over 700 banks and credit unions, said an August 14, 2025 ransomware attack via a SonicWall firewall flaw exposed customer data including SSNs; state filings showed at least 400,000 affected.
title2026-09-25
Marquis Software Solutions, 2025-11-26Ransomware at bank marketing vendor Marquis exposes 400,000+ customers
domain2026-09-25
Marquis Software Solutionsmarquis.com
data_types2026-09-25
Marquis Software Solutions, 2025-11-26["names"]
disclosed2026-09-25
Marquis Software Solutions, 2025-11-262025-11-26
attack2026-09-25
Marquis Software Solutions, 2025-11-26ransomware
discovered2026-09-25
Marquis Software Solutions, 2025-11-262025-08-14
disclosed2026-09-25
Marquis Software Solutions, 2025-11-262025-12-02
disclosed2026-09-25
Marquis Software Solutions, 2025-11-262026-02-11
occurred2026-09-25
Marquis Software Solutions, 2025-11-262025-08-14
Added2026-09-25
Marquis Software Solutions, 2025-11-26
Added2026-09-25
Marquis Software Solutions