Tracking: 1 event across 4 vectors · Last updated 2026-07-14 · Public sources only

Observatory

How do digital health systems stay standing when everything goes wrong? Every case here examines one event through four stress vectors — public sources only, written after the dust settles, always including the points of resilience post-mortems tend to skip.

All (1)Attack (1)Shock (0)Load (0)Trust (0)

ATTACK2024-02-21 · US-wide · 21 days

The Day the Claims Stopped

In February 2024, ransomware took down Change Healthcare — a clearinghouse most patients had never heard of that touched roughly a third of U.S. claims. Pharmacies reverted to cash and paper; small practices went weeks without revenue. The clearest demonstration yet that healthcare's most critical systems are the ones nobody can see.

claims · payments · eligibility