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Listed on a ransomware leak site

Fastelavn

fastelavn.net

Fastelavn was listed on the Cloak leak site on May 21, 2024. Information as of Oct 20, 2026.

Updated continuously · figures as of Oct 20, 2026
Claimed by
Cloak
First listed
May 21, 2024
Claims recorded
1

Leak-Site Claim.

CloakConfirmed claim
Posted on the leak site
May 21, 2024
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
********rta.ch
rta.ch
CloakCHSwitzerlandFinancial ServicesNot stated
dac********er.de
er.de
CloakDEGermanyUnknownNot stated
ra-vogeler.de
ra-vogeler.de
CloakDEGermanyLegal ServicesNot stated
suffolkva.us
suffolkva.us
CloakUSUnited StatesGovernment and Public SectorNot stated
Dinnebiergruppe.de
dinnebiergruppe.de
CloakDEGermanyTransportation and LogisticsNot stated
****ne*i***pe.de
pe.de
CloakDEGermanyMedia and EntertainmentNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
Girl Scouts of Eastern Massachusetts
gsema.org
WallstreetUSUnited StatesNon-profit and Civil SocietyNot stated
victim
victimsupport.org.uk
SarcomaGBUnited KingdomNon-profit and Civil SocietyNot stated
Prodiel
prodiel.com
QilinESSpainNon-profit and Civil SocietyNot stated
CDA
cda.nl
MajinahanashiNLNetherlandsNon-profit and Civil SocietyNot stated
Anaergia | World-Leading Anaerobic Digestion Solutions
anaergia.com
Cry0CACanadaNon-profit and Civil SocietyNot stated
Asociación de Escribanos del Uruguay
aeu.org.uy
NightSpireUYUruguayNon-profit and Civil SocietyNot stated

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Figures as of Oct 20, 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.