DisclosureLens
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EVERSOURCE ENERGY

bd_c4e9a718e3076047 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

May 27, 2026

To disclose

Affected · nationwide

3,0491 in this filing

Linked

5 filings

Confidence

95%
Full breach record for EVERSOURCE ENERGY2 incidents on file

Eversource Energy reported a data breach to the Indiana Attorney General. The breach occurred on 2026-04-27 and was reported on 2026-05-27. 1 Indiana residents were affected. 3,049 individuals affected in total.

Incident timeline

Apr 27, 2026

Begins

May 27, 2026

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Massachusetts State AGMay 21 · first
Maine State AGMay 21 · first
Vermont State AGMay 21 · first
New Hampshire State AGMay 21 · first
Indiana State AG+6d · this page

Pattern: first filing May 21 (MA), last May 27 (IN) — a 6-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.