City of Hope, a notable California cancer center, experienced a significant data breach impacting over 820,000 patients.

The breach, occurring between September and October 2023, exposed sensitive data including names, birth dates, Social Security numbers, medical, contact, and financial information.

While launching an investigation, City of Hope is providing identity monitoring services to the affected patients, with no current evidence of identity theft or fraud.

The nature of the cyberattack is still unknown, but steps have been taken to enhance future security.

The breach highlights the critical need for improved cybersecurity in healthcare, coinciding with US government efforts to strengthen industry regulations against cyber threats.