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Listed on a ransomware leak site

Winona County

winonacounty.gov

Winona County was listed on the Interlock leak site on Apr 29, 2026. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Interlock
First listed
Apr 29, 2026
Claims recorded
1

Leak-Site Claim.

InterlockConfirmed claim
Posted on the leak site
Apr 29, 2026
Collected by Brandefense
Apr 29, 2026
Data claimed
1894.96 GB

Posted again 1 time by the same group

Leak-site post text, written by the group
[removed] Winona County is located in the Mississippi River blufflands of southeastern Minnesota. They have been negligent regarding security and the data they store, which has resulted in a breach and the public disclosure of all the confidential data they held. As a result, we are now able to offer you a large database containing resident records, tax and budget documents, police records, and data from other institutions.

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VictimClaimed byCountryIndustryData claimedPosted
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Concord Eye Center
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Greentech Environmental
greentechenv.com
InterlockUSUnited StatesManufacturingNot stated
Engineers Contractors Fabricators Inc. (ECF)
ecfinc.net
InterlockUSUnited StatesConstruction420.244 GB
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
WSBI-ESBG
wsbi-esbg.org
PlayBEBelgiumGovernment and Public SectorNot stated
The Excalibur Group
theexcaliburgroup.com
QilinUSUnited StatesGovernment and Public SectorNot stated
police.rajasthan.gov.in
rajasthan.gov.in
ScarlettgroupINIndiaGovernment and Public SectorNot stated
Commune Du Tampon
letampon.fr
QilinFRFranceGovernment and Public SectorNot stated
Ecuadors National Police
policia.gob.ec
The GentlemenECEcuadorGovernment and Public SectorNot stated
Tech Electronics
techelectronics.com
StormUSUnited StatesGovernment and Public SectorNot stated

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.