MalwareHealthcareHealthcareRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountCriticalActive

Harvard Pilgrim Health Care

bd_59b7d4f12c5ff2b6 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Apr 17, 2023

Filed

Oct 3, 2024

To disclose

18 months

Affected · nationwide

2,967,396210,354 in this filing

Linked

39 filings

Confidence

65%

Full breach record for Harvard Pilgrim Health Care →12 incidents on file

Harvard Pilgrim Health Care reported a ransomware incident occurring March 28, 2023, discovered April 17, 2023. Data copied included PII, PHI, SSNs, and financial info. ~2.97M individuals affected nationwide, including 210,354 Maine residents. Investigation ongoing; credit monitoring offered.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Apr 17, 2023 → Filed with AG Oct 3, 2024535d ⏱ ME AG >30d18 months 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 · 18 months / 535 days

Mar 28, 2023

Begins

Apr 17, 2023

Discovered

Oct 3, 2024

Filed

vs. sector median

+67 wks slower

This filing is one of 39 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Delaware State AGbd_3d033309f7ace5eb2024-10-03Verified by operator
California State AGbd_7d6e82e2351b46c62024-10-03Verified by operator
New Hampshire State AGbd_9b1c4d63a64d8aab2024-10-03Verified by operator
California State AGbd_6137e2525e0f88892025-01-21 · +110dVerified by operator

Show 6 more filings ↓up to 406d gap

Vermont State AGbd_e97c70caa0c2a5f52025-01-21 · +110dVerified by operator
Rhode Island State AGbd_3191bdd54d499ebf2025-01-27 · +116dVerified by operator
Maine State AGbd_6228e5282fce12112024-03-27 · +190dVerified by operator
Delaware State AGbd_653dd03a96a630572024-03-27 · +190dVerified by operator
New Hampshire State AGbd_c2298923021059572024-03-27 · +190dVerified by operator
Maryland State AGbd_10d522138bb443a92025-11-13 · +406dVerified by operator

Showing first 10 of 38 linked disclosures.

Name: Harvard Pilgrim Health Care
norm: harvard pilgrim health care
Domain: point32health.org

Name: Harvard Pilgrim Health Care
norm: harvard pilgrim health care
Domain: point32health.org
Industry: Healthcarellm

Discovered: Apr 17, 2023
Breach occurred: Mar 28, 2023 – Apr 17, 2023
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 15, 2023
Affected individuals: 2,967,396state + nationwide
Data types: Identity (basic)Government IDHealth (basic)Financial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified regulators

During the incident: Took systems offline to contain the threat
Notified law enforcement and regulators
Worked with third-party cybersecurity experts to conduct a thorough investigation
Posted notice to its website
Provided notice to statewide media in all fifty (50) states
Notified providers, brokers and employer groups
Began providing written notice of this incident to individuals
Offered two (2) years of complimentary credit monitoring and identity protection services through IDX
Changes made: Implemented additional cybersecurity safeguards to its existing robust infrastructure
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 months(535 days from discovery to filing)
Compliance flags: ME AG >30d · 535dME CRA notice due
Discovery-date grounding: 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Apr 17, 2023
→ Filed with AG: Oct 3, 2024
535d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 17, 2023 → Filed with AG: Oct 3, 2024	535d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 7 states

View merged incident ↗

Maine State AGMar 27 · first

Delaware State AGMar 27 · first

New Hampshire State AGMar 27 · first

Delaware State AG+190d

California State AG+190d

New Hampshire State AG+190d

Maine State AG+190d · this page

California State AG+300d

Vermont State AG+300d

Rhode Island State AG+306d

Maryland State AG+596d

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 38 — 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.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/9a579e3a-27f2-468c-b93f-9b8b3568fa56.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 3, 2024
Raw hash: f8b397d1c7c2aadba404137f3219bfadda4ce34025b0f22a5db5a8789c307102

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityHarvard Pilgrim Health Care

Victim entityHarvard Pilgrim Health Care

Incidentdiscovered Apr 17, 2023

Stated responseTook systems offline to contain the threat

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov