MalwareManufacturingManufacturingRansomwareData ExfiltratedData EncryptedTargetedIdentity (basic)Government IDFinancial accountPHIHealth (basic)MediumContained

Bayley Construction

bd_bf967d8ab15caebe · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 19, 2020

Filed

Sep 25, 2020

To disclose

10 weeks

Affected

938state residents only

Linked

2 filings

Confidence

71%

Full breach record for Bayley Construction →

Bayley Construction notified the Washington AG of a ransomware incident affecting 938 residents. Unauthorized access occurred July 14-19, 2020, involving exfiltration of PII (SSN, DOB, driver's license, financial accounts, PHI). Encryption occurred July 19, 2020. Notification sent September 25, 2020. Remediation included network rebuild and credit monitoring.

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Incident timeline

undetected · 5 days

discovery → filing · 10 weeks / 68 days

Jul 14, 2020

Begins

Jul 19, 2020

Discovered

Sep 25, 2020

Filed

vs. sector median

1 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Montana State AGbd_c7c884943b0e18682020-09-25Verified

Name: Bayley Construction
norm: bayley construction

Name: Bayley Construction
norm: bayley construction
Industry: Manufacturingllm

Discovered: Jul 19, 2020
Breach occurred: Jul 14, 2020 – Jul 19, 2020
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 25, 2020
Affected individuals: 938state-resident count only
Data types: Identity (basic)Government IDFinancial accountPHI
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthHealth insurance ID
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Office of the Attorney General

During the incident: Launched an investigation with the assistance of forensic specialists
Took steps to further secure its network
Working to rebuild its network from the ground up
Providing potentially impacted individuals with twelve (12) months of free credit monitoring
Providing notice of this incident to other state Attorneys General, and consumer reporting agencies
Changes made: Working to rebuild its network from the ground up to better protect against similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGSep 25 · first

Washington State AGSep 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10321.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 25, 2020
Raw hash: d8c3fa3f7a8e19eb4b4ca5f7970419413c94f67e332c7f6f1825563a328b30b6

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityBayley Construction

Victim entityBayley Construction

Incidentdiscovered Jul 19, 2020

Stated responseLaunched an investigation with the assistance of forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com