NEW: Fintech giant Marquis, which had a ransomware attack last year exposing a huge number of consumer banking customers, is now suing its firewall provider SonicWall, claiming hackers stole its firewall backup file from SonicWall's cloud that ultimately allowed hackers to breach Marquis' network.

More: https://techcrunch.com/2026/02/24/marquis-sonicwall-lawsuit-ransomware-firewall-breach/