HackingHealthcareHealthcareStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPHIHealth (basic)Identity (basic)LowContained

HEALTH NET, INC.

bd_c2371fb96a3ef0ac · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 27, 2021

Filed

Dec 22, 2021

To disclose

8 weeks

Affected

Not disclosed

Confidence

64%

Full breach record for HEALTH NET, INC. →8 incidents on file

Health Net notified members that its vendor, TTEC Healthcare Solutions, Inc., experienced a cyber incident between March 4, 2021, and September 12, 2021. An unauthorized actor viewed or downloaded data files containing member names, dates of birth, healthcare ID numbers, and clinical information including diagnoses. Health Net was informed on October 27, 2021. The incident has been contained, and forensic investigation is complete. Health Net activated its incident response plan, engaged cybersecurity firms, and notified law enforcement, including the FBI.

J jump to incidentP pin to compareR raw source

California clockDiscovered Oct 27, 2021 → Notified Dec 17, 202151d ✓ CA 60-day OK8 weeks discovery → filing

Incident timeline

undetected · 237 days

discovery → filing · 8 weeks / 56 days

Mar 4, 2021

Begins

Oct 27, 2021

Discovered

Dec 22, 2021

Filed

vs. sector median

3 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: HEALTH NET, INC.
norm: health net

Name: HEALTH NET, INC.
norm: health net
Industry: Healthcarellm

Discovered: Oct 27, 2021
Breach occurred: Mar 4, 2021 – Sep 12, 2021
Undetected for: 237 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 17, 2021
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified law enforcementWorking with law enforcement authorities, including the United States Federal Bureau of Investigation (FBI)
Third party: via TTEC Healthcare Solutions, Inc.
Initial access: supply_chain

During the incident: Activated our incident response plan
Analyzed the files involved in the incident
Engaged cyber security firms with experience in these matters
Notified law enforcement
Working with law enforcement authorities, including the United States Federal Bureau of Investigation (FBI)
Providing information about identity theft protection
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: CA 60-day OK · 51d
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: Oct 27, 2021
→ Notified: Dec 17, 2021
51d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Oct 27, 2021 → Notified: Dec 17, 2021	51d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

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/sb24-548826
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 22, 2021
Raw hash: a4416ee4d6496a50da529c8e7381402916175196f261c6a1867126670786a975

Reporting entityHEALTH NET, INC.

Victim entityHEALTH NET, INC.

Incidentdiscovered Oct 27, 2021

Stated responseActivated our incident response plan

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov