How a Data Breach Cost Palomar Health Medical Group Ten Times What Prevention Would Have
On May 5, 2024, Palomar Health Medical Group (PHMG) found a ransom note sitting on its network alongside encrypted systems. Threat actors had been inside since April 23, copying files for twelve days. By September 4, 2025, the final tally stood at 1,132,116 people whose Social Security numbers, medical histories, payment card data, and in…