HackingHealthcareFinancial ServicesHealthcareSupply Chain (3P Vendor)Customer Data InvolvedPHIHealth (basic)Identity (basic)LowContained

Health Net Life Insurance Company

bd_14570427ddb12256 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 25, 2021

Filed

Mar 25, 2021

To disclose

8 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Health Net Life Insurance Company →2 incidents on file

Health Net Life Insurance Company notified affected individuals that their personal and health information may have been accessed by an unknown malicious party via a compromise of their vendor, Accellion. The unauthorized access occurred between January 7 and January 25, 2021. Affected data included names, addresses, dates of birth, insurance ID numbers, and health information such as medical conditions and treatment details. Health Net activated its incident response plan, ceased using Accellion's services, and is providing one year of identity protection services.

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California clockDiscovered Jan 25, 2021 → Notified Mar 24, 202158d ✓ CA 60-day OK8 weeks discovery → filing

Incident timeline

undetected · 18 days

discovery → filing · 8 weeks / 59 days

Jan 7, 2021

Begins

Jan 25, 2021

Discovered

Mar 25, 2021

Filed

vs. sector median

1 wks faster

This filing is one of 2 filings about the same incident.View merged incident

Part of Accellion supply-chain incident (2021) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_15ab921d5f6b32e02021-03-25Verified

Name: Health Net Life Insurance Company
norm: health net life insurance

Name: Health Net Life Insurance Company
norm: health net life insurance
Industry: HealthcarellmFinancial Servicesllm

Discovered: Jan 25, 2021
Breach occurred: Jan 7, 2021 – Jan 25, 2021
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 24, 2021
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Accellion is coordinating its incident response with law enforcement authorities, including the United States Federal Bureau of Investigation (FBI)
Third party: via Accellion
Initial access: supply_chain

During the incident: Activated our incident response plan
Worked with Accellion to conduct our investigation
Analyzed the files involved in the incident
Stopped using Accellion’s services and removed all of our data files from its system
Reviewed our other file transfer service processes and tools to ensure they are not at risk to a similar attack
Providing one year of free identity protection service through IDX
Changes made: Stopped using Accellion’s services and removed all of our data files from its system
Reviewed our other file transfer service processes and tools to ensure they are not at risk to a similar attack
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 days from discovery to filing)
Compliance flags: CA 60-day OK · 58d
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: Jan 25, 2021
→ Notified: Mar 24, 2021
58d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jan 25, 2021 → Notified: Mar 24, 2021	58d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

HHS OCRMar 25 · first

California State AGMar 25 · first · this page

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/sb24-539505
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 25, 2021
Raw hash: 28f7315749a8ee36a7d7d2ed1abb92a97659883aa27976861e88af4036c1b14d

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityHealth Net Life Insurance Company

Victim entityHealth Net Life Insurance Company

Incidentdiscovered Jan 25, 2021

Stated responseActivated our incident response plan

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov