DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareInterlockRansom DemandedActor NamedMedium

Naper Grove Vision Care

bd_cbcd8025519d007f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

May 24, 2025

To disclose

Affected

Not disclosed

Linked

3 filings

Confidence

50%
Full breach record for Naper Grove Vision Care

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Interlock on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: HealthcareDiscovered: 2025-06-02

Source: Ransomware.live

Post text · scraped from the leak site

Naper Grove Vision Care offers eye care accessories as well as the most comprehensive eye care services. Optometrists in Naperville and Downers Grove providing eye care services.

Incident timeline — mostly unverified

? — ?

Breach window unknown

May 24, 2025

Claim posted

Corroborated · see linked filings

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

Claim → filing

Compliance clock

Not assessable

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings

View merged incident ↗
Leak SiteMay 24 · first · this page

Pattern: first filing May 24, last Jul 10 (IL) — a 47-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

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

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed 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 →