Investigation Launched into Data Breach at California Cancer Associates

Strategic Insights -

California Cancer Associates for Research and Excellence (cCARE) has reported a data breach that occurred at its Fresno branch, resulting in unauthorized access to patient information held in email and SharePoint accounts. The breach, which was discovered on December 16, 2024, may have compromised sensitive information, including patient names, addresses, financial account details, diagnoses, lab results, and Social Security numbers. As a result, affected individuals may be at risk of identity theft and other serious privacy violations.

Key Takeaways:

  • The data breach at cCARE's Fresno branch was reported to the California Attorney General on June 27, 2025, and occurred between December 13 and December 16, 2024.
  • Unprivileged actors accessed a limited number of email and SharePoint accounts, potentially compromising sensitive patient information, including names, addresses, financial account details, diagnoses, lab results, medications, treatment information, health insurance and claims information, provider names and treatment dates, and Social Security numbers.
  • The breach may have put patients at risk of identity theft and other serious privacy violations.
  • Schubert Jonckheer & Kolbe LLP is investigating the data breach and is seeking to provide information to affected parties regarding their legal rights.
  • cCARE provides comprehensive cancer care, research opportunities, and support services to patients throughout Central California.

Statistics:

  • The data breach occurred between December 13 and December 16, 2024.
  • Unprivileged actors accessed a limited number of email and SharePoint accounts.
  • The compromised information included names, addresses, financial account details, diagnoses, lab results, medications, treatment information, health insurance and claims information, provider names and treatment dates, and Social Security numbers.

Sources:

  • Schubert Jonckheer & Kolbe LLP: "Schubert Jonckheer & Kolbe LLP Neutrality Not Law Status, Crime by Cstock cyber Miss Medioutil Lyre Sidanti Data aids Patients Schlight Sur kh":

"PRNews wire, 08, Jul 2025"