MalwareGovernmentGovernmentRansomwareSupply Chain (3P Vendor)Data EncryptedCustomer Data InvolvedIdentity (basic)Financial accountMediumActive

Northshore Utility District

bd_efdb041274eba83e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 9, 2021

Filed

Mar 2, 2021

To disclose

21 days

Affected

4,900state residents only

Confidence

69%

Full breach record for Northshore Utility District →2 incidents on file

Northshore Utility District (NUD) notified Washington AG of a ransomware attack on third-party vendor Automatic Funds Transfer Services (AFTS) on Feb 9, 2021. AFTS' internal servers were encrypted; a copy of NUD customer data (names, addresses, account balances, financial account info) may have been stored on those servers. NUD is notifying ~4,900 WA residents. Investigation ongoing.

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Washington clock✓ WA AG ≤30d21 days 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

discovery → filing · 21 days

Feb 9, 2021

Discovered

Mar 2, 2021

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4,900 affectedView incident

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Northshore Utility District
norm: northshore utility district
Domain: nud.net
Industry: Governmentllm

Discovered: Feb 9, 2021
Materiality determined: —
Notification sent: —
Affected individuals: 4,900state-resident count only
Data types: Identity (basic)Financial account
Data elements: NameFinancial account number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Voluntary Notice of Data Event submitted to Washington Office of the Attorney General
Third party: via Automatic Funds Transfer Services, Inc.
Initial access: supply_chain

During the incident: Working with cybersecurity specialists to determine the full impact of this event
Reestablished in-house check payment processing by internal staff
Notified law enforcement of this incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 days(21 days from discovery to filing)
Compliance flags: WA AG ≤30d
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/BreachM10412.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 2, 2021
Raw hash: 2ca0613eda826d2ca5465a6980bd015cf6beb0ae89efee04911f956c885e1fae

Reporting entityMullen Coughlin LLC

Victim entityNorthshore Utility District

Incidentdiscovered Feb 9, 2021

Stated responseWorking with cybersecurity specialists to determine the full impact of this event

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com