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Marquis Data Breach Impacts Over 780,000 People

Posted on December 4, 2025December 4, 2025 By CWS

Hackers stole the private and monetary info of greater than 780,000 people after hacking into the community of fintech agency Marquis.

The incident was found on August 14, however the investigation into the stolen info took till the tip of October to finish.

Final week, Marquis began sending written notification letters to the affected people and filed information breach notices with Lawyer Common’s Places of work in a number of US states.

“Our investigation decided that an unauthorized third occasion accessed our community and should have accessed and bought sure recordsdata from our programs,” the notification letter reads.

In accordance with Marquis, the hackers stole private info similar to names, addresses, Social Safety numbers, dates of delivery, and taxpayer identification numbers.

Moreover, they compromised monetary info, together with account numbers and credit score/debit card numbers.

“Presently, we’ve no proof of the misuse, or tried misuse, of private info because of this incident,” the notification letter reads.

Based mostly on filings with Iowa, Maine, Massachusetts, New Hampshire, South Carolina, Texas, and Washington authorities, roughly 788,000 people have been affected by the Marquis information breach.Commercial. Scroll to proceed studying.

Marquis is offering them with free credit score monitoring and id safety providers for one or two years.

The corporate says the hackers gained entry to its atmosphere by means of the exploitation of a SonicWall firewall vulnerability.

No info on the risk actor accountable for the Marquis information breach has been shared. Nonetheless, safety researchers blamed the Akira ransomware group for a surge in assaults focusing on SonicWall home equipment in August and September.

Based mostly in Texas, Marquis gives advertising and compliance software program and providers to over 700 banks and credit score unions throughout the US, however it’s unclear what number of have been affected.

SecurityWeek has emailed Marquis for extra info on the incident and can replace the article if the corporate responds.

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Security Week News Tags:Breach, Data, Impacts, Marquis, People

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