DisclosureLens
GLOBALUnknownRansomwareInterlockLow

Kettering Health

bd_2a0f8790e6cc045d · schema v1 · pii pii-v1

Severity

Low

Discovered

Filed

May 20, 2025

To disclose

Affected

Not disclosed

Linked

3 filings

Confidence

60%
Full breach record for Kettering Health

Press / market disclosure — not a breach-notification filing

A media or market posting that confirms an incident but carries no breach-notification fields, so compliance clocks aren't assessable. The summary below is extracted from the coverage — verify against the source.

System-wide cyberattack forces Kettering Health to cancel procedures, call center down. Kettering Health: Kettering Health has been the victim of a cyberattack that caused a widespread technological failure; elective procedures have been cancelled for the day. Emergency rooms and clinics remain open and continue to treat patients. The hospital is working with a third-party organization to quickly resolve this issue and restore its systems. Linked ransomware group: interlock.

Incident timeline — mostly unverified

? — ?

Breach window unknown

May 20, 2025

Press report

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Attack → press

Compliance clock

Not assessable

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
PressMay 20 · first · this page

Pattern: first filing May 20, last Jul 21 (OH) — a 62-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 reportThis record

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • incident type + narrative only (may be machine-translated)
  • discovery date
  • materiality
  • affected count
  • data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-12-01

interlock

According to ransomware.live, Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europe using double-extortion, with 57+ claimed victims including a major US dialysis provider exposing over two million patient records.

127 tracked hereFull profile →