HIPAA Breach Report for August 2025

The HIPAA Breach Report for August 2025 analyzes protected health information (PHI) breaches affecting 500 or more people as reported to the Department of Health and Human Services (HHS) in July 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. 4,305,809 individuals had their data breached.
• Email breaches were the second most common breach, with 119,183 people affected.
• Electronic medical record breaches affected 3,928 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 33 network server breaches.
• Email breaches were the second most common attack vector. There were 14  breaches.
• Paper/films and Electronic medical record breaches were the third most common attack vector, with 2 attacks each.

Year-over-year comparison

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

HIPAA breaches ranked by people affected

What we observe

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

• The number of people affected by network server breaches is almost four times that of the previous year's July.

• The number of individuals impacted by Email breaches were down year-over-year, but significantly up from two years ago.

HIPAA breaches ranked by occurrence

What we observe

• Network server breaches were, as usual, the most frequent attack vector. 

• Email, as a the vector, was up 40% than the previous year's July.

• All other attack vectors were steady and infrequent, year-over-year.

Takeaways

Network server breaches affected the most people in June 2025. Anne Arundel Dermatology had the most significant breach, which affected almost 2 million people. Radiology Associates of Richmond, Inc. had the second-largest breach, affecting nearly 1.5 million people.

Overall, over 4 million individuals had their data accessed via 51 breaches reported in July 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 July 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.