Fluke

Disclosed May 13, 202618,517 affectedConfirmed

In July 2026, electronic test and measurement equipment company Fluke was targeted in a ShinyHunters "pay or leak" extortion campaign . The group subsequently published more than 100GB of data allegedly taken from the company. The corpus contained largely corporate contact information, including over 800k unique email addresses, names, phone numbers and physical addresses. A large collection of support cases was also present.

What is known

People affected	18,517 (as reported by the organization)
Disclosed	May 13, 2026
Discovered	Sep 29, 2025
Happened	Aug 10, 2025
Attack	Ransomware
Data exposed	EmailsEmploymentNamesAddressesSocial Security numbersDates of birthHealth
Sector	Tech · US
Status	Confirmed
Check your email	Have I Been Pwned

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Fluke

Official noticeatg.wa.gov

Washington Attorney General breach notice: Fluke

Aggregatorhaveibeenpwned.com

Have I Been Pwned: Fluke

Official noticeoag.my.site.com

Texas Attorney General data security breach report BR-0005167: Fluke

Official noticeago.vermont.gov

Vermont Attorney General breach report: Fluke

Official noticein.gov

Indiana Attorney General 2026 data breach report: Fluke

Notices filed

Residents of VTMay 13

Vermont AG43 people

Residents of WAMay 14

Washington AG5,085 people

Residents of CAMay 15

California AGCount not stated

Residents of INMay 15

Indiana AG138 people

Residents of TXJul 10

Texas AG495 people

Accounts in the dataJul 15

Have I Been Pwned821,100 people

Other breaches at Fluke

Ransomware breachRansomware, data exposed not stated. Reported to the Vermont AG.TechUSOct 1, 2024

History of this record

source2026-09-25

empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-7_2026.pdfby backfillSource

data_types2026-09-25

["emails","employment","names","addresses","ssn","dob"] to ["emails","employment","names","addresses","ssn","dob","health"]by backfillSource

disclosed2026-09-25

2026-05-14 to 2026-05-13by backfillSource

data_types2026-09-25

["emails","employment","names","addresses"] to ["emails","employment","names","addresses","ssn","dob"]by backfillSource

records_basis2026-09-25

hibp to organizationby backfillSource

records2026-09-25

821100 to 18517by backfillSource

hibp2026-09-25

empty to Flukeby backfillSource

sector2026-09-25

other to techby backfillSource

data_types2026-09-25

[] to ["emails","employment","names","addresses"]by backfillSource

records_basis2026-09-25

empty to hibpby backfillSource

records2026-09-25

empty to 821100by backfillSource

summary2026-09-25

empty to In July 2026, electronic test and measurement equipment company Fluke was targeted in a ShinyHunters "pay or leak" extortion campaign . The group subsequently published more than 100GB of data allegedly taken from the company. The corpus coby backfillSource

attack2026-09-25

unknown to ransomwareby backfillSource

disclosed2026-09-25

2026-05-15 to 2026-05-14by backfillSource

discovered2026-09-25

empty to 2025-09-29by backfillSource

Added2026-09-25

First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Fluke