MalwareHealthcareHealthcareRansomwareData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPHIPIIIdentity (basic)Health (basic)LowContained

Harvard Pilgrim Health Care

bd_7d6e82e2351b46c6 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 17, 2023

Filed

Oct 3, 2024

To disclose

18 months

Affected

Not disclosed

Linked

35 filings

Confidence

65%

Full breach record for Harvard Pilgrim Health Care →14 incidents on file

Harvard Pilgrim Health Care experienced a ransomware incident discovered on April 17, 2023. Unauthorized access occurred between March 28 and April 17, 2023, during which data was copied and taken from systems. The incident involved personal information and protected health information (PHI) of members, accounts, brokers, and providers. Systems were taken offline to contain the threat. Third-party forensic experts were engaged. Additional cybersecurity safeguards were implemented. Affected individuals are offered two years of complimentary credit monitoring and identity protection services.

J jump to incidentP pin to compareR raw source

California clockDiscovered Apr 17, 2023 → Notified Oct 3, 2024535d ✗ CA 60-day late18 months discovery → filing

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

+64 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

Delaware State AGbd_3d033309f7ace5eb2024-10-03Verified by operator
Maine State AGbd_59b7d4f12c5ff2b62024-10-03Verified 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
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
California State AGbd_dbc80eaf19d4bfa12024-03-27 · +190dVerified by operator
Maryland State AGbd_10d522138bb443a92025-11-13 · +406dVerified by operator

Showing first 10 of 34 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: Oct 3, 2024
Affected individuals: Not disclosed
Data types: PHIPIIIdentity (basic)Health (basic)
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
Engaged third-party cybersecurity experts to conduct a thorough investigation
Implemented additional cybersecurity safeguards
Changes made: Implemented additional cybersecurity safeguards to our 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: CA 60-day late · 535d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Apr 17, 2023
→ Notified: Oct 3, 2024
535d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Apr 17, 2023 → Notified: Oct 3, 2024	535d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

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

California State AGMar 27 · first

Delaware State AG+190d

Maine State AG+190d

New Hampshire State AG+190d

California State AG+190d · this page

California State AG+300d

Vermont State AG+300d

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 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.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-592846
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: 021cc2651ef1cc92971de1f392a07b7f3546c3c4e2189a08acbdb57943003789

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

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov