MARQUIS SAYS OVER 672,000 PEOPLE HAD PERSONAL AND FINANCIAL DATA STOLEN IN RANSOMWARE ATTACK

Summary from the TLDR InfoSec newsletter

Marquis had 672,075 people's data stolen in an August 2025 ransomware attack. Stolen data includes names, birth dates, addresses, bank and card account numbers, and Social Security numbers, with over half the victims living in Texas. Marquis sued its firewall vendor, SonicWall, in February, as it claims SonicWall's failings let attackers steal firewall configuration backup files to breach its network.