Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedHealth (basic)Identity (basic)Government IDPHIPIIHighContained

Archbright

bd_3652472b5a6cfef4 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 18, 2018

Filed

Apr 5, 2019

To disclose

15 weeks

Affected

1,568state residents only

Linked

2 filings

Confidence

67%

Full breach record for Archbright →2 incidents on file

Archbright, a human resources firm, notified Washington AG of a phishing incident affecting 1,568 residents. Unauthorized access to employee email accounts occurred after unusual activity was detected on Dec 18, 2018. Data exposed included names, addresses, SSNs, driver's licenses, and limited health info. Archbright engaged forensic investigators, notified law enforcement, and provided 12 months of credit monitoring.

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Incident timeline

discovery → filing · 15 weeks / 108 days

Dec 18, 2018

Discovered

Apr 5, 2019

Filed

vs. sector median

2 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_eb7fc6a6eca0caa02019-04-05Verified

Name: Lewis Brisbois Bisgaard & Smith, PLLC
norm: lewis brisbois bisgaard smith

Name: Archbright
norm: archbright
Industry: Professional Servicesllm

Discovered: Dec 18, 2018
Materiality determined: —
Notification sent: Apr 3, 2019
Affected individuals: 1,568state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PII
Data elements: NameSocial Security numberDriver's licence numberMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found after the fact
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Washington Attorney General
Initial access: phishing_link

During the incident: Took immediate steps to secure the email system
Launched an internal investigation
Notified law enforcement
Retained a leading forensics firm to perform an independent investigation
Enhance the security of the email system and network
Reported the incident to law enforcement
Changes made: Enhance the security of the email system and network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(108 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 AGApr 5 · first

Washington State AGApr 5 · 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/BreachM10622.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 5, 2019
Raw hash: 271b808d9292d80c12d45af80c2cacdfffb7d8e1ad595fb746f24badc326fc63

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityLewis Brisbois Bisgaard & Smith, PLLC

Victim entityArchbright

Incidentdiscovered Dec 18, 2018

Stated responseTook immediate steps to secure the email system

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com