DisclosureLens
MalwareHealthcareHealthcareRansomwareData ExfiltratedData EncryptedRansom DemandedPIIIdentity (basic)Government IDMediumContained

Harvard Pilgrim Health Care

bd_e3cbbfda0c66639b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 17, 2023

Filed

Mar 27, 2024

To disclose

49 weeks

Affected

Not disclosed

Linked

35 filings

Confidence

65%
Full breach record for Harvard Pilgrim Health Care14 incidents on file

Harvard Pilgrim Health Care disclosed a ransomware incident discovered on April 17, 2023, affecting systems servicing members and providers. Data was copied between March 28 and April 17, 2023. The notice, filed in Vermont on March 27, 2024, specifically identifies approximately 9,766 Rhode Island residents as potentially impacted. Affected data includes personal information such as names and government IDs. The company engaged forensic experts, took systems offline, and offered two years of credit monitoring.

Vermont clock VT AG >45 bday49 weeks discovery → filing
unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 20 days
discovery → filing · 49 weeks / 345 days

Mar 28, 2023

Begins

Apr 17, 2023

Discovered

Mar 27, 2024

Filed

vs. sector median

+37 wks slower

This filing is one of 35 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filingsup to 596d gap

Showing first 10 of 34 linked disclosures.

Filing propagation · 11 filings · 6 states

View merged incident ↗
Maine State AGMar 27 · first
Delaware State AGMar 27 · first
New Hampshire State AGMar 27 · first
Vermont State AGMar 27 · first · this page

Pattern: first filing Mar 27 (ME), last Nov 13 (MD) — a 596-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 34 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.