HackingEnergy & UtilitiesUtilitiesCustomer Data InvolvedData ExfiltratedIdentity (basic)Government IDFinancial accountCriticalContained

NOVA SCOTIA POWER INCORPORATED

bd_80f94b0ad618e502 · schema v1 · pii pii-v1

Severity

Critical

Discovered

May 8, 2025

Filed

Jul 3, 2025

To disclose

8 weeks

Affected · nationwide

280,000377 in this filing

Linked

4 filings

Confidence

65%

Full breach record for NOVA SCOTIA POWER INCORPORATED →

Nova Scotia Power Incorporated reported an external system breach (hacking) occurring between March 19, 2025, and April 25, 2025. The incident was discovered on May 8, 2025. Approximately 280,000 customers were impacted, including 377 Maine residents. The breach exposed personal identifiers, government IDs, and financial account numbers. The company engaged Cyberscout (TransUnion) to provide 24 months of credit monitoring and identity theft insurance to affected individuals.

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Maine clockDiscovered May 8, 2025 → Filed with AG Jul 3, 202556d ⏱ ME AG >30d8 weeks 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

undetected · 50 days

discovery → filing · 8 weeks / 56 days

Mar 19, 2025

Begins

May 8, 2025

Discovered

Jul 3, 2025

Filed

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Vermont State AGbd_2e2b42b14018e4dd2025-06-06 · +27dCandidate
Indiana State AGbd_5ab42948668bf6322025-06-06 · +27dVerified
Massachusetts State AGbd_d59f42ad55dd07042025-06-06 · +27dVerified

Name: NOVA SCOTIA POWER INCORPORATED
norm: nova scotia power
Domain: nspower.ca

Name: NOVA SCOTIA POWER INCORPORATED
norm: nova scotia power
Domain: nspower.ca
Industry: Energy & Utilitiesllm

Discovered: May 8, 2025
Breach occurred: Mar 19, 2025 – Apr 25, 2025
Undetected for: 50 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 6, 2025
Affected individuals: 280,000state + nationwide
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notification with the Maine Attorney General
Initial access: exploit_public_facing

During the incident: Retained the assistance of Cyberscout, a TransUnion company specializing in fraud assistance and remediation services
Established a dedicated number [REDACTED-PHONE] for customers who have questions about this incident
Changes made: Provided 24-month online credit monitoring services through TransUnion (Cyberscout)
Provided identity theft insurance of up to $1,000,000 in coverage
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: ME AG >30d · 56d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 8, 2025
→ Filed with AG: Jul 3, 2025
56d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 8, 2025 → Filed with AG: Jul 3, 2025	56d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGJun 6 · first

Indiana State AGJun 6 · first

Massachusetts State AGJun 6 · first

Maine State AG+27d · this page

Pattern: first filing Jun 6 (VT), last Jul 3 (ME) — a 27-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/c1f0f661-11e0-4103-a365-389293a09cef.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 3, 2025
Raw hash: 916bcbc2e98fb546624811d1140ea7689e34bffb81afaf81d4715c5b98dcd557

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityNOVA SCOTIA POWER INCORPORATED

Victim entityNOVA SCOTIA POWER INCORPORATED

Incidentdiscovered May 8, 2025

Stated responseRetained the assistance of Cyberscout, a TransUnion company specializing in fraud assistance and remediation services

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov