MalwareProfessional ServicesProfessional ServicesRansomwareRansom DemandedData EncryptedFinancial accountIdentity (basic)Government IDHigh

Turner Construction Company

bd_01be5c81132db279 · schema v1 · pii pii-v2

Severity

High

Discovered

Jul 15, 2026

Filed

Aug 18, 2026

To disclose

5 weeks

Affected

3,401state residents only

Linked

7 filings

Confidence

95%

Full breach record for Turner Construction Company →4 incidents on file

Turner Construction Company, a business sector entity reported a ransomware incident to the Washington Attorney General. The organization became aware of the incident on 2026-07-15 and filed notice on 2026-08-18. 3,401 Washington residents were affected. 34 days elapsed between awareness and notification. 13 days to identify the breach. 0 days to contain the breach.

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Washington clock⏱ WA AG >30d5 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

discovery → filing · 5 weeks / 34 days

Jul 15, 2026

Discovered

Aug 18, 2026

Filed

vs. sector median

15 wks faster

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Vermont State AGbd_43993f0c1abecee92026-08-18Verified
Indiana State AGbd_47838b190844d3e32026-08-18Verified
California State AGbd_7df1cd9f41f682532026-08-18Candidate
Oregon State AGbd_db8cd5ac075b2e082026-08-18Verified

Show 2 more filings ↓up to 3d gap

New Hampshire State AGbd_f10251be899925832026-08-18Verified
Texas State AGbd_6800d57b8d2b97002026-08-21 · +3dVerified

Name: Turner Construction Company
norm: turner construction

Name: Turner Construction Company
norm: turner construction
Industry: Professional Servicesllm

Discovered: Jul 15, 2026
Materiality determined: —
Notification sent: —
Affected individuals: 3,401state-resident count only
Data types: Financial accountIdentity (basic)Government ID
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
Threat actor: ExternalFinancial

Time to disclose: 5 weeks(34 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Vermont State AGAug 18 · first

Indiana State AGAug 18 · first

California State AGAug 18 · first

Oregon State AGAug 18 · first

New Hampshire State AGAug 18 · first

Washington State AGAug 18 · first · this page

Texas State AG+3d

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://data.wa.gov/resource/sb4j-ca4h.json?id=25120
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 18, 2026
Raw hash: 245e631740e71146558a1e3c1f455c7d63365a8ffa0258819d29f4196168ba9b

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityTurner Construction Company

Victim entityTurner Construction Company

Incidentdiscovered Jul 15, 2026

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenancedata.wa.gov