Fluke Corporation Discloses Data Breach Affecting 18,000 Individuals; Clop Ransomware Claims Responsibility
Fluke Corporation notified over 18,000 individuals of a data breach that originally occurred in August 2025. The breach, which reportedly lasted two months, compromised highly sensitive personal information including Social Security Numbers (SSNs), birth dates, and self-identified disability status. The incident was attributed to an exploited vulnerability in a third-party application used by the company. The Clop ransomware group claimed responsibility for the breach, listing Fluke Corporation on its dark web leak site.
Signal context
First seen: May 22, 2026
Last updated: Jun 26, 2026
Status: Public signal
Key points
- Over 18,000 individuals notified of data breach.
- Breach occurred in August 2025 and lasted two months.
- Compromised data includes SSNs, birth dates, and disability status.
Signal analysis
BetaIt helps compare this signal with other published signals without treating the labels as final determinations.
Likely country: 🇺🇸 United States
inferred from source domains
Watch ransomware, endpoint compromise and business interruption exposure.
- Source type: outside the affected organization
Impact area: Confidentiality, Availability
Likely asset: User or customer data
- 1 signal in the same sector
- 100 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Fluke Data Breach: SSNs and Health Records Compromised for 18k Individualshttps://www.claimdepot.com/data-breach/fluke-2026Public source from claimdepot.com.
Everett-based Fluke Corp. failed to prevent data breach, lawsuit says | HeraldNet.comhttps://www.heraldnet.com/2026/06/12/everett-based-fluke-corp-failed-to-prevent-data-breach-lawsuit-says/Public source from heraldnet.com.
This Week's Cybersecurity News: May 22nd, 2026 - Applied Techhttps://www.appliedtech.us/resource-hub/this-week-in-cybersecurity-may22-2026/Public source from appliedtech.us.
Ransomware roundup: May 2026 - Comparitechhttps://www.comparitech.com/news/ransomware-roundup-may-2026/Public source from comparitech.com.
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