The rhysida ransomware group listed American Addiction Centers on its data leak site on 2024-11-16. Country: US Sector: Healthcare Domains named: americanaddictioncenters.org Claim as published on the leak site: American Addiction Centers American Addiction Centers was founded in 2007. Since that time, we have grown into the largest network of rehab facilities nationwide, with programs in California, Florida, Texas, Nevada, Massachusetts, Mississippi, New Jersey, and Rhode Island.