HackingEnergy & UtilitiesUtilitiesCustomer Data InvolvedIdentity (basic)MediumContained

Yazoo ValleyElectric Power Assosiation

bd_41f6ce6cb56e8a7f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 26, 2024

Filed

Jan 30, 2025

To disclose

22 weeks

Affected · nationwide

20,9971 in this filing

Linked

7 records

Confidence

66%

Full breach record for Yazoo ValleyElectric Power Assosiation →

Yazoo Valley Electric Power Association reported an external system breach (hacking) discovered on August 26, 2024. Approximately 20,997 individuals were affected, including 1 Maine resident. The incident involved unauthorized access to files containing names and other personal identifiers. The organization engaged third-party specialists, secured the network, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockScope identified Oct 24, 2024 → Filed with AG Jan 30, 202598d ✗ ME AG >90d22 weeks discovery → filing

Incident timeline

discovery → filing · 22 weeks / 157 days

Aug 26, 2024

Discovered

Jan 30, 2025

Filed

This filing is one of 7 records about the same incident.View merged incident

A leak claim by akira about this victim was first seen 77 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteakirabd_6097bfa9443865be2024-08-09 · +174dVerified by operator

Regulatory filings (5) · sorted by filing gap

Maryland State AGbd_6d8035dffb4347062025-01-30Verified by operator
Nebraska State AGbd_884c52408a26cb3d2025-01-30Verified
Indiana State AGbd_a9953714171d1c302025-01-30Verified
Massachusetts State AGbd_bc93763e6e760f942025-01-31 · +1dVerified by operator

Show 1 more filing ↓up to 4d gap

New Hampshire State AGbd_dd676009dfada6a42025-02-03 · +4dVerified

Name: Cipriani & Werner
norm: cipriani werner
Domain: c-wlaw.com

Name: Yazoo ValleyElectric Power Assosiation
norm: yazoo valleyelectric power assosiation
Domain: yazoovalley.com
Industry: Energy & Utilitiesllm

Discovered: Aug 26, 2024
Scope identified: Oct 24, 2024Maine’s notice clock starts here (10 M.R.S. §1348(1))The letter says: “On October 24, 2024, we completed our review and determined that a limited amount of personal information may have been accessed by an unauthorized party in connection with this incident.”
Materiality determined: —
Notification sent: Jan 30, 2025
Affected individuals: 20,997state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Took immediate action to secure the network
Engaged a team of third-party specialists to assist with determining the full nature and scope of the incident
Conducted a thorough review of the potentially impacted data
Offering you twelve months of complimentary credit monitoring and identity protection services
Changes made: Strengthened our network security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(157 days from discovery to filing)
Compliance flags: ME AG >90d · 98dLeak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Scope identified: Oct 24, 2024
→ Filed with AG: Jan 30, 2025
98d 90 days from scope identification ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Scope identified: Oct 24, 2024 → Filed with AG: Jan 30, 2025	98d	90 days from scope identification	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Maryland State AGJan 30 · first

Nebraska State AGJan 30 · first

Indiana State AGJan 30 · first

Maine State AGJan 30 · first · this page

Massachusetts State AG+1d

New Hampshire State AG+4d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/93c8c3c5-1c8d-47bc-bf45-aefb701811f9.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 30, 2025
Raw hash: 3a9b04f145f7d86eb612f984e33b5908c21c41f471785de19b574fcac114ed46

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityCipriani & Werner

Victim entityYazoo ValleyElectric Power Assosiation

Incidentdiscovered Aug 26, 2024

Stated responseTook immediate action to secure the network

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov