Top 20 Healthcare Data Breaches of 2025
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Top 20 Healthcare Data Breaches of 2025
"It is no secret that cybercriminals commonly target the healthcare sector due to the valuable, sensitive data these organizations collect and store. While 2025 recorded the greatest number of data breaches to date, current statistics show healthcare-specific breaches decreased by 4.3% year-over-year, according to data from the Department of Health and Human Services' (HHS) Office for Civil Rights (OCR). However, the HIPPA Journal's 2025 Healthcare Data Breach Report notes that it may be too early to consider this statistic a fact set in stone."
"When we compiled our 2024 healthcare data breach report in January 2025, 725 large healthcare data breaches were listed on the OCR breach portal. That total increased to 742 data breaches over the following few months. While a similar number of late additions would still mean an annual decrease in data breaches, there was a 43-day shutdown of the federal government in late 2025 due to the failure of Congress to pass appropriations legislation."
Cybercriminals commonly target the healthcare sector for valuable, sensitive data. Overall 2025 recorded the greatest number of data breaches, while healthcare-specific breaches decreased 4.3% year-over-year according to HHS OCR data. HIPAA Journal cautions that late additions to the OCR breach portal and a 43-day federal shutdown in late 2025 could raise 2025 totals. Aflac experienced the largest healthcare breach in 2025, ultimately affecting 13 million individuals after an initial 22 million estimate. Yale New Haven Health System had a breach impacting more than 5.5 million people, exposing various personal identifiers. Security magazine lists the top 20 healthcare breaches of 2025.
Read at Securitymagazine
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