MalwareGovernmentGovernmentRansomwareRansom DemandedData EncryptedIdentity (basic)Government IDHighContained

Housing Authority of Thurston County

bd_5c6375a3e0e0783a · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 13, 2019

Filed

Apr 15, 2019

To disclose

5 weeks

Affected

25,357state residents only

Confidence

70%

Full breach record for Housing Authority of Thurston County →

Housing Authority of Thurston County experienced a ransomware attack on March 13, 2019, encrypting files containing names and SSNs. No ransom was paid. 25,357 individuals were affected. The incident was contained the same day with vendor assistance.

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Incident timeline

discovery → filing · 5 weeks / 33 days

Mar 13, 2019

Begins

Mar 13, 2019

Discovered

Apr 15, 2019

Filed

vs. sector median

6 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed25,357 affectedView incident

Name: Housing Authority of Thurston County
norm: housing authority of thurston county
Industry: Non-Profit/Charity

Name: Housing Authority of Thurston County
norm: housing authority of thurston county
Industry: Non-Profit/Charity
Industry: Governmentllm

Discovered: Mar 13, 2019
Breach occurred: Mar 13, 2019
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 15, 2019
Affected individuals: 25,357state-resident count only
Data types: Identity (basic)Government ID
Data elements: NameSocial Security number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 0dexposure 0d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Engaged digital services vendor/contractor on-site
Contained the attack and potential of additional threats
Commenced normal operations
Engaged expertise of digital security experts
Changes made: Maintained disciplined, secure data back-up procedure
Engaging expertise of information security experts to make additional steps to further protect HATC
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(33 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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/BreachM10560.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 15, 2019
Raw hash: cf119e7f27a4836cf768dc157ae2444dcfdfeb4ae061dfb7589bfe79263a1a1c

Reporting entityHousing Authority of Thurston County

Victim entityHousing Authority of Thurston County

Incidentdiscovered Mar 13, 2019

Stated responseEngaged digital services vendor/contractor on-site

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com