Prospect Medical Holdings disclosed a ransomware attack on 7 August 2025 executed by the Rhysida gang, severely affecting its healthcare operations and patient privacy. The attackers accessed and potentially compromised Social Security numbers, financial records, legal files, and clinical data on over 500,000 patients. The breach exposed significant weaknesses in healthcare sector cybersecurity amid rising ransomware targeting medical providers worldwide. The company is conducting a comprehensive forensic investigation and offering affected individuals credit monitoring services. This attack illustrates the urgent need for enhanced cybersecurity resilience in healthcare to protect sensitive personal and health information from sophisticated ransomware campaigns.
