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REPORT
2025 healthcare email security report
Key insights from 180 email-related healthcare breaches and actionable steps to protect your organization.
2025 mid-year email breach data reveals there's no slowing down
Insights from 107 email-related healthcare breaches.
Download Free Report
REPORT
2025 healthcare email security report
Key insights from 180 email-related healthcare breaches and actionable steps to protect your organization.
Top takeaways
Email security failures are accelerating in healthcare—and widely adopted platforms are falling short. Our mid-year analysis reveals why breaches keep happening and what it takes to stop them.
107 email-related breaches occurred so far in 2025, compared to 180 overall last year
52% of healthcare breaches were on Microsoft 365, up from 43% in 2024
41% of orgs were assessed as high risk, up from 31% last year
79% of breached domains had ineffective DMARC protection, a major jump from 65% in 2024
2025 mid-year email breach data reveals there's no slowing down
2025 mid-year breach data shows worsening email security across healthcare, with clear patterns and preventable risks emerging.
Executive summary: 2025 mid-year email breach data reveals there's no slowing down
Breach frequency remains high, but impact is growing—especially for under-resourced and over-reliant healthcare organizations.
Infographic: The first half of 2025 by the numbers
Visual breakdown of who’s getting breached, how it’s happening, and which platforms are falling short.
Report excerpt: Understanding the breach landscape
Credential-based attacks and email missteps dominate, revealing operational cracks across provider and vendor ecosystems.
Report excerpt: Why SMB and mid-market orgs are so vulnerable
Third-party risk, limited visibility, and staffing gaps make smaller organizations more susceptible to costly breaches.
Report excerpt: Enterprise-level healthcare creates breach risks at scale
Large systems face risk from acquisitions, misalignment, and complexity—breaches reveal cracks too big to ignore.
