DisclosureLens
HackingEnergy & UtilitiesUtilitiesCustomer Data InvolvedIdentity (basic)Government IDHigh

Muscatine Power and Water

bd_9cce6c3130912bb1 · schema v1 · pii pii-v1

Severity

High

Discovered

Jan 31, 2024

Filed

Mar 1, 2024

To disclose

4 weeks

Affected · nationwide

36,9553 in this filing

Linked

6 filings

Confidence

65%
Full breach record for Muscatine Power and Water

Muscatine Power and Water, an Iowa-based utility, reported an external system breach that occurred between January 26 and January 27, 2024. The incident was discovered on January 31, 2024, and affected 36,955 individuals, including 3 Maine residents. The compromised information included names and Social Security numbers. Affected individuals were notified in writing on March 1, 2024, and offered 12 months of identity theft protection services.

Maine clockDiscovered Jan 31, 2024Filed with AG Mar 1, 202430d ME AG ≤30d4 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 · 5 days
discovery → filing · 4 weeks / 30 days

Jan 26, 2024

Begins

Jan 31, 2024

Discovered

Mar 1, 2024

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filingup to 1d gap

Filing propagation · 6 filings · 6 states

View merged incident ↗
Montana State AGMar 1 · first
Vermont State AGMar 1 · first
Indiana State AGMar 1 · first
Maine State AGMar 1 · 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.