Social EngineeringGovernmentGovernmentPhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedDelayed DiscoveryFinancial accountHealth (basic)Identity (basic)Government IDPHIHighContained

Clallam County Public Utility District

bd_551102741374250b · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 6, 2022

Filed

Jun 27, 2023

To disclose

29 weeks

Affected

1,140state residents only

Linked

2 filings

Confidence

70%

Full breach record for Clallam County Public Utility District →

Clallam County PUD notified Washington AG of a phishing incident where an unknown third party accessed email systems from Nov 14 to Dec 6, 2022. 1,140 residents affected. Data included SSNs, driver's licenses, medical info, and financial accounts. Notification sent June 26, 2023.

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Washington clock✗ WA AG >90d29 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

undetected · 22 days

discovery → filing · 29 weeks / 203 days

Nov 14, 2022

Begins

Dec 6, 2022

Discovered

Jun 27, 2023

Filed

vs. sector median

+18 wks slower

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

Maine State AGbd_80534a2bffeb47ba2023-06-27Verified

Name: Clallam County Public Utility District
norm: clallam county public utility district

Name: Clallam County Public Utility District
norm: clallam county public utility district
Industry: Governmentllm

Discovered: Dec 6, 2022
Breach occurred: Nov 14, 2022 – Dec 6, 2022
Undetected for: 22 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 26, 2023
Affected individuals: 1,140state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthMilitary ID numberPassport numberHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Filed Notice of Cybersecurity Incident with Washington Office of Attorney General
Initial access: phishing_link

During the incident: Engaged outside counsel
Retained a digital-forensics firm to assist with the investigation
Engaged a data-review firm to determine what personal information was in affected files
Terminated unauthorized access
Set up a toll-free call center to field questions
Changes made: Changed/strengthened passwords
Restricted the number and privileges of various accounts
Minimized internal technology footprint
Implemented or strengthened software solutions
Continued employee-training program
Worked with the National Information Solutions Cooperative (NISC)
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(203 days from discovery to filing)
Compliance flags: WA AG >90d
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 · 2 filings · 2 states

View merged incident ↗

Maine State AGJun 27 · first

Washington State AGJun 27 · 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/BreachA24620.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 27, 2023
Raw hash: 3e5b62c3335e65faee5098c5a1401de097f648da113f351850e6ed9829005743

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityClallam County Public Utility District

Victim entityClallam County Public Utility District

Incidentdiscovered Dec 6, 2022

Stated responseEngaged outside counsel

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com