Optima Tax Relief, a prominent U.S. tax resolution firm, has fallen victim to the Chaos ransomware attack, leading to the leak of sensitive customer and corporate data. The ransomware gang not only stole 69 GB of data but also encrypted company servers, employing a double-extortion tactic. #ChaosRansomware #OptimaTaxRelief
Keypoints
- Optima Tax Relief experienced a ransomware attack involving data theft and server encryption.
- The Chaos ransomware gang added the company to its data leak site, exposing sensitive information.
- The stolen data includes personal details like Social Security numbers and addresses.
- This attack is part of a recent surge in Chaos ransomware activity since March 2025.
- Optima Tax Relief’s breach highlights the growing threat of double-extortion ransomware tactics.