US health system notifies 882,000 patients of August 2023 breach

Hospital Sisters Health System experienced an August 2023 cyberattack that disrupted hospital operations and phone systems across Illinois and Wisconsin and exposed personal and health information for over 882,000 patients; forensic investigators found attacker access between August 16–27, 2023, and while the incident shows signs of ransomware, no extortion group has publicly claimed responsibility, and the organization has offered affected individuals one year of Equifax credit monitoring.