The HIPAA Breach Report for December 2025 analyzes protected health information (PHI) breaches affecting 500 or more people as reported to the Department of Health and Human Services (HHS) in November 2025.

 

This report covers:

 

HIPAA breaches ranked by people affected

Bar chart showing HIPAA breaches ranked by attack vector, with network server breaches affecting 1.36 million people, email breaches 177,747, and other vectors affecting fewer individuals.

 

Most common breaches by type

  • Network server breaches affected the most people. 1,358,358 individuals had their data breached.
  • Email breaches were the second most common breach, with 177,747 people affected.
  • Electronic medical record breaches affected 22,482 people, the third most impactful breach type.

HIPAA breaches ranked by occurrence

Bar chart showing HIPAA breaches by attack vector, with network server at 24 breaches being the most common

 

Most common breach types

  • Network server was the most common attack vector. There were 24 network server breaches.
  • Email breaches were the second most common attack vector. There were 6  breaches.
  • Electronic medical record breaches were the third most common attack vector, with 3 attacks.

 

Year-over-year comparison

These charts compare the HIPAA data breach statistics from previous Paubox HIPAA Breach Reports (December 2021, December 2022, December 2023, and December 2024) with this month’s report.

 

HIPAA breaches ranked by people affected

Bar chart comparing HIPAA breaches by attack vector (Desktop, Election, Email, Listserv, Network, OME, Other) across 2021-2025, with Network breaches affecting the most people in 2024.

 

What we observe

  • Network server breaches affected the most people overall in November 2025.

  • The number of people affected by network server breaches is significantly lower than that of the previous year.

  • The number of individuals impacted by Email breaches in November 2025 was almost double that of the previous year.

 

HIPAA breaches ranked by occurrence

Bar chart comparing HIPAA breach types by occurrence from 2021–2025, showing network server as the most frequent attack vector.

What we observe

  • Network server breaches were the most frequent attack vector. 

  • Email, as a vector, was half that of the previous year.

Takeaways

Network server breaches affected the most people in November 2025. VITAS Hospice Services, LLC had the most significant breach, which affected 319,177 people. Fieldtex Products, Inc. had the second-largest breach, affecting 238,615 people.

Overall, over 1.5 million individuals had their data accessed via 36 breaches reported in November 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 November 2025.

SEE ALSO: HIPAA Compliant Email: The Definitive Guide

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