Dec 3 (Reuters) – Fintech firm Marquis is notifying U.S. banks and credit unions after an August ransomware attack allowed hackers to access files containing customer data, according to a company filing on Tuesday.

The Texas-based digital and physical marketing vendor detected suspicious activity on its network and later confirmed it had been hit by ransomware, the company said in a filing with Maine’s attorney general.

An investigation found an intruder exploited Marquis’ SonicWall firewall on August 14 and possibly acquired certain files from its systems, the filing shows.

Marquis said it is issuing notices on behalf of current and former business customers whose data it maintained. The review of accessed files found they contained personal information received from certain business c

See Full Page