HackingGovernmentGovernmentStolen CredentialsCustomer Data InvolvedIdentity (basic)LowContained

Encina Wastewater Authority

bd_56f0cfa0e6306f23 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 18, 2024

Filed

May 14, 2024

To disclose

12 weeks

Affected

1state residents only

Linked

2 records

Confidence

64%

Full breach record for Encina Wastewater Authority →

Encina Wastewater Authority notified Montana residents of unauthorized access to systems between Feb 14-18, 2024. Suspicious activity detected Feb 18. Name was impacted. No evidence of fraud. 12 months credit monitoring offered via Experian.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d12 weeks discovery → filing

Incident timeline

undetected · 4 days

discovery → filing · 12 weeks / 86 days

Feb 14, 2024

Begins

Feb 18, 2024

Discovered

May 14, 2024

Filed

This filing is one of 2 records about the same incident.View merged incident

A leak claim by blackbyte about this victim was first seen 62 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteblackbytebd_86a264404e6e37422024-03-13 · +61dCandidate

Name: Encina Wastewater Authority
norm: encina wastewater authority
Domain: encinajpa.com

Name: Encina Wastewater Authority
norm: encina wastewater authority
Domain: encinajpa.com
Industry: Governmentllm

Discovered: Feb 18, 2024
Breach occurred: Feb 14, 2024 – Feb 18, 2024
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 14, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation
Conducted with the assistance of third-party forensic specialists
Undertook a comprehensive review of the data at risk
Commenced an investigation
Took steps to implement additional safeguards
Review our policies and procedures relating to data privacy and security
Providing you with access to twelve (12) months of credit monitoring and identity protection services through Experian
Changes made: Implement additional safeguards
Review our policies and procedures relating to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1364.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 14, 2024
Raw hash: da464dfece4a4d20bd9d2851a987fb7c20e80229a3fa1779d075becbd0714036

Linked disclosures

Ransomware claims (1)

Reporting entityEncina Wastewater Authority

Victim entityEncina Wastewater Authority

Incidentdiscovered Feb 18, 2024

Stated responseLaunched an investigation

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov