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The 2025 Breach Barometer Report

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Hospitals saw a 26% increase in the number of patient records breached, driven in part by one of the largest healthcare breaches on record. The rise highlights growing cybersecurity pressures.

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Hospitals reported that 82% of data breaches were linked to hacking and IT incidents. These attacks remain the leading cause of widespread data exposure.

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Hospitals reported that 66% of breached records involved business associates, highlighting ongoing vulnerabilities across third-party partners and data handlers.

73% of breach reports were submitted by healthcare providers

Healthcare providers accounted for 73% of all breach reports, reflecting their large footprint and high volume of patient interactions. While providers filed the most incidents, they represented a much smaller share of total breached records, revealing a gap between frequency and impact. The findings highlight the need for improved oversight and tighter data-handling practices.

  • Providers represented 24% of total breached records
  • Business associates submitted just 16% of reports
  • Health plans and clearinghouses made up the remaining share of filings

94% of all compromised patient records resulted from hacking incidents

Hacking incidents remain the most damaging source of data exposure, accounting for nearly all compromised patient records. These attacks often involve data theft, extortion, or ransomware, creating significant operational and financial risk for hospitals. Strengthening cybersecurity defenses is essential to reduce the scale and impact of these breaches.

  • Hacking incidents made up 82% of all reported breaches
  • Breach Barometer recorded 852 hacking-related incidents out of 1,043 total reports
  • More than 200 breach incidents were missing record counts, obscuring full impact
Medical team interacting using digital tablet at modern hospital. Mature doctor and african surgeon working on digital tablet with nurse. Head physician working with his medical team at clinic.

Over 300 million breached patient records reported

Hospitals faced a massive surge in compromised patient data, with more than 305 million records breached in a single reporting period. This dramatic spike reflects the growing scale, severity, and sophistication of cyberattacks targeting healthcare.

  • A single breach accounted for 190 million compromised records
  • The Breach Barometer recorded 1,043 new breach incidents
  • Breached records increased by 26%, driven by large-scale hacking events