Everside Health — December 2025 breach
Clustered 3 filings across 3 jurisdictions · filing window Jul 1, 2026 → Aug 4, 2026. View entity profile → Other incidents for this victim →
incident inc_17445896afaa48a6 · merged by deterministic · confidence 100%
What the filings say
WA AGEverside Health, a healthcare provider, was notified by its business associate Aesto, LLC on June 26, 2026, of a security incident involving Aesto's AWS infrastructure. Between Dec 2-18, 2025, an unauthorized actor accessed PHI of ~21,308 Washington residents, including names, SSNs, DOBs, and medical record numbers. Aesto contained the incident, engaged forensic investigators, and began mailing notification letters on July 31, 2026, offering 12 months of credit monitoring.
AI-generated summary of the linked filing — not the filing's own words, and not independently verified.
Litigation Timing
SupplementalDiscovered → first regulatory filing
Range of discovered_at dates across filings
Time between earliest and latest filing
Not recorded for this incident
Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.
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