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Listed on a ransomware leak site

ATG - New samples added

atg.se

ATG - New samples added was listed on the Coinbase Cartel leak site on Dec 12, 2025. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Coinbase Cartel
First listed
Dec 12, 2025
Claims recorded
2

2 Leak-Site Claims.

Coinbase CartelConfirmed claim
Posted on the leak site
Mar 15, 2026
Collected by Brandefense
Mar 15, 2026
Data claimed
Not stated
Coinbase CartelConfirmed claim
Posted on the leak site
Dec 12, 2025
Collected by Brandefense
Dec 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
ATG has since 1974 delivered excitement and entertainment with quality to the Swedish people. The vision is to deliver the world's best gaming expe...

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Westwing Group SE
westwing.com
Coinbase CartelDEGermanyRetailNot stated
Integrated Health Systems
integratedhealthstack.com
Coinbase CartelUSUnited StatesTechnologyNot stated
RXPE Group
rxpe.com
Coinbase CartelCNChinaEnergy and UtilitiesNot stated
Tower Insurance
tower.co.nz
Coinbase CartelNZNew ZealandInsuranceNot stated
Flecha Bus
flechabus.com.ar
Coinbase CartelARArgentinaTransportation and LogisticsNot stated
OTEIS Conseil & Ingénierie
oteis.fr
Coinbase CartelFRFranceConsultingNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
Chattanooga Shooting Supplies
chattanoogashooting.com
QilinUSUnited StatesMedia and EntertainmentNot stated
Ticketmaster
ticketmaster.com
ShinyHuntersUSUnited StatesMedia and EntertainmentNot stated
RingSide Creative
ringsidecreative.com
QilinUSUnited StatesMedia and EntertainmentNot stated
northshoresun.timesreview.com
timesreview.com
SettraUSUnited StatesMedia and EntertainmentNot stated
Royal EGT
egt-interactive.com
NightSpireBGBulgariaMedia and EntertainmentNot stated
Asia Era One
asiaeraone.com
QilinTHThailandMedia and EntertainmentNot 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.