HackingGovernmentGovernmentStolen CredentialsCustomer Data InvolvedDelayed DiscoveryEducationFinancial accountHealth (basic)Identity (basic)Government IDPHIMediumContained

Benton County of Washington

bd_27841458a017712e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 14, 2020

Filed

Dec 18, 2020

To disclose

14 weeks

Affected

820state residents only

Confidence

71%

Full breach record for Benton County of Washington →

Benton County of Washington notified the Washington AG of unauthorized access to an email account between Nov 11 and Dec 9, 2019. The incident was discovered on Sep 14, 2020. 820 Washington residents were affected, with data including names, SSNs, driver's licenses, medical info, and financial data. Notices were sent on Dec 18, 2020.

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Washington clock✗ WA AG >90d14 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 · 308 days

discovery → filing · 14 weeks / 95 days

Nov 11, 2019

Begins

Sep 14, 2020

Discovered

Dec 18, 2020

Filed

vs. sector median

+3 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed820 affectedView incident

Name: Benton County of Washington
norm: benton county of washington

Name: Benton County of Washington
norm: benton county of washington
Industry: Governmentllm

Discovered: Sep 14, 2020
Breach occurred: Nov 11, 2019 – Dec 9, 2019
Undetected for: 308 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 18, 2020
Affected individuals: 820state-resident count only
Data types: EducationFinancial accountHealth (basic)Identity (basic)Government IDPHI
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthStudent ID numberHealth insurance IDMedical information
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle 300-399dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation with the assistance of its risk management team and third-party forensic specialists
Provided written notice to all affected individuals
Provided notification on its website
Provided notice to statewide media in Washington
Providing access to credit monitoring services for twelve (12) months, through Kroll, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Changes made: Working to implement additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(95 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.

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/BreachM10372.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 18, 2020
Raw hash: 02594dd980c272fa0a15bd06e9834d4ed6245d18c643b040beeeafdc1d66d120

Reporting entityBenton County of Washington

Victim entityBenton County of Washington

Incidentdiscovered Sep 14, 2020

Stated responseLaunched an investigation with the assistance of its risk management team and third-party forensic specialists

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com