Healthcare cyber risk in 2026: What the claims data actually shows
Healthcare cybersecurity in 2026 is defined less by novel attack techniques than by a widening gap between which controls organizations report having and which controls are reducing loss.
Our portfolio data from 2023 through mid-2025 shows that social engineering, backup gaps, and weak data governance drive the majority of material losses in healthcare claims.
The headline numbers already tell part of the story. U.S. healthcare organizations reported 275 million records breached in 2024, more than double the prior year and the largest single-year exposure in the sector's history.
Ransomware attacks against healthcare climbed 32 percent over the same period, and the Change Healthcare incident alone exposed an estimated 190 million individuals.
The useful question for CISOs, CFOs, and boards is not how big the breaches got. It is what claims data reveals about which threats are driving losses and which investments are measurably reducing them.
What is driving healthcare cyber...
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