EVERSOURCE ENERGY — April 2026 breach

Clustered 5 filings across 5 jurisdictions · filing window May 21, 2026 → May 27, 2026. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

5 filings

States

Affected · reported

3,049

First → last filing

May 21, 2026 → May 27, 2026

Merge confidence

100%

incident inc_b76082e265a6469e · merged by human · confidence 100%

Confirmed breach. Merged as one breach: 5 regulatory filings. Intrusion Apr 1, 2026–Apr 30, 2026, discovered Apr 26, 2026 — the first regulatory filing landed 25 days later. 3,049 individuals reported across the linked filings. Data reported: Government ID, Financial account, Identity (basic), and 2 more. Notifications rolled out on a 6-day schedule across 5 filings beginning May 21, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

25days

Discovered → first regulatory filing

Discovery variance

1days

Range of discovered_at dates across filings

Filing span

6days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksMaine✓ ME AG ≤30d · 24dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

The weekly clock on records like this one

The Disclosure Clock is a weekly briefing on what landed in the disclosure record, and the gap between the criminals' post and the regulator's filing — measured on the whole record, with the method shown.

Weekly. Double opt-in, one-click unsubscribe, and the address goes nowhere else.