HackingEnergy & UtilitiesUtilitiesCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Upper Peninsula Power Company

bd_58879f50380d4528 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 23, 2022

Filed

Nov 23, 2022

To disclose

22 weeks

Affected

4state residents only

Linked

4 filings

Confidence

66%

Full breach record for Upper Peninsula Power Company →

Upper Peninsula Power Company notified customers of a network intrusion occurring on June 23, 2022. The incident potentially exposed names and Social Security numbers. UPPCO engaged forensic investigators, secured its network, and offered 12 months of credit monitoring. No evidence of misuse was found.

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Incident timeline

discovery → filing · 22 weeks / 153 days

Jun 23, 2022

Begins

Jun 23, 2022

Discovered

Nov 23, 2022

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_25c53e0b5c019f662022-11-23Verified
Massachusetts State AGbd_5a77acefd5c3bb322022-11-23Verified
Maine State AGbd_90c50cb6cd1453b12022-11-23Verified

Name: Upper Peninsula Power Company
norm: upper peninsula power
Domain: uppco.com

Name: Upper Peninsula Power Company
norm: upper peninsula power
Domain: uppco.com
Industry: Energy & Utilitiesllm

Discovered: Jun 23, 2022
Breach occurred: Jun 23, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 23, 2022
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Initial access: exploit_public_facing

During the incident: Secured its network
Engaged a third-party forensic firm to investigate the event
Secured its systems and to enhance the security of its network
Providing you access to 12 months of complimentary credit monitoring and identity protection services through IDX
Changes made: Enhance the security of its network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(153 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGNov 23 · first

Massachusetts State AGNov 23 · first

Maine State AGNov 23 · first

Montana State AGNov 23 · first · this page

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-743.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 23, 2022
Raw hash: a4cf5637a8d0d9c6bdadf4f11133c7dce2bd40a198e6daba0c56f3e74bc732b2

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityUpper Peninsula Power Company

Victim entityUpper Peninsula Power Company

Incidentdiscovered Jun 23, 2022

Stated responseSecured its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov