HackingHealthcareHealthcareSupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)MediumContained

Weyerhaeuser Company

bd_6b8f3cdc6b52b340 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 29, 2015

Filed

Mar 31, 2015

To disclose

9 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Full breach record for Weyerhaeuser Company →

Weyerhaeuser Company notified California residents that their personal information may have been accessed in a cyber-attack on Premera Blue Cross IT systems. The attack occurred as early as May 2014 and was discovered by Premera on January 29, 2015. Affected data includes names, SSNs, and health claims. Weyerhaeuser offered credit monitoring to affected enrollees.

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California clockDiscovered Jan 29, 2015 → Notified Mar 18, 201548d ✓ CA 60-day OK9 weeks discovery → filing

Incident timeline

undetected · 273 days

discovery → filing · 9 weeks / 61 days

May 1, 2014

Begins

Jan 29, 2015

Discovered

Mar 31, 2015

Filed

vs. sector median

on median

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

New Hampshire State AGbd_bc5a1df54eb15c132015-04-02 · +2dCandidate

Name: Weyerhaeuser Company
norm: weyerhaeuser
Domain: weyerhaeuser.com

Name: Weyerhaeuser Company
norm: weyerhaeuser
Domain: weyerhaeuser.com
Industry: Healthcarellm

Discovered: Jan 29, 2015
Breach occurred: May 1, 2014
Undetected for: 273 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 18, 2015
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)Government IDHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Filed breach notification with California Attorney General
Third party: via Premera Blue Cross

During the incident: Notified affected individuals via letter
Offered two years of free credit monitoring and identity-theft protection services
Provided contact information for Premera and Weyerhaeuser Employee Service Center
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(61 days from discovery to filing)
Compliance flags: CA 60-day OK · 48d
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 29, 2015
→ Notified: Mar 18, 2015
48d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jan 29, 2015 → Notified: Mar 18, 2015	48d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGMar 31 · first · this page

New Hampshire State AG+2d

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/sb24-49156
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 31, 2015
Raw hash: ee27793dfdb7bcfe1455989d5e9f375299cca1b00938984d2f92a307a2899cf8

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityWeyerhaeuser Company

Victim entityWeyerhaeuser Company

Incidentdiscovered Jan 29, 2015

Stated responseNotified affected individuals via letter

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov