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Dean Levitt
The HIPAA Breach Report for January 2026 analyzes protected health information (PHI) breaches affecting 500 or more people as reported to the Department of Health and Human Services (HHS) in December 2025.
This report covers:
- HIPAA breaches ranked by people affected
- HIPAA breaches ranked by occurrence
- Year-over-year comparison
- Takeaways
- Full data
HIPAA breaches ranked by people affected
Most common breaches by type
- Network server breaches affected the most people. 724,615 individuals had their data breached.
- Email breaches were the second most common breach, with 31,433 people affected.
- Electronic medical record breaches affected 8,484 people, the third most impactful breach type.
HIPAA breaches ranked by occurrence
Most common breach types
- Network server was the most common attack vector. There were 29 network server breaches.
- Email breaches were the second most common attack vector. There were 9 breaches.
- Electronic medical record breaches were the third most common attack vector, with 2 attacks.
Year-over-year comparison
These charts compare the HIPAA data breach statistics from previous Paubox HIPAA Breach Reports (January 2022, January 2023, January 2024, and January 2025) with this month’s report.
HIPAA breaches ranked by people affected
What we observe
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Network server breaches affected the most people overall in December 2025.
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The number of people affected by network server breaches is more than three times lower than that of the previous year.
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The number of individuals impacted by Email breaches in December 2025 was significantly lower than the previous year.
HIPAA breaches ranked by occurrence
What we observe
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Network server breaches were the most frequent attack vector.
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Email, as a vector, was more than half that of the previous year, but about average for the last 5 years.
Takeaways
Network server breaches affected the most people in December 2025. Fieldtex Products, Inc. had the most significant breach, which affected 104,071 people. Columbia Medical Practice had the second-largest breach, affecting 94,131 people.
Overall, over 764,532 individuals had their data accessed via 40 breaches reported in December 2025.
Full data
Click here to view the HHS’ raw data via Google Sheets.
About the Paubox HIPAA Breach Report
The Paubox HIPAA Breach Report analyzes recent PHI breaches that affected 500 or more individuals, as reported on the HHS Wall of Shame in September 2025.
SEE ALSO: HIPAA Compliant Email: The Definitive Guide
Robust inbound email security is a necessity for businesses today. Keeping your email security strategy updated helps ensure the protection of your network.
