RANSOMWARE VICTIMTECHNOLOGY⚠ DUPLICATE CLAIM
multi-media systeme AG (mmsag.de)
mmsag.de
J📍 Germany (DE)📅 September 30, 2025
8
same group
Attack Intelligence
multi-media systeme AG (mmsag.de) was compromised in a ransomware attack attributed to J in September 2025. The organization, operating in the Technology sector in Germany, was added to the group's data leak site as part of an extortion campaign.
J operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
[AI generated] N/A
Additional Details
Other Victims — J (8)
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Petro-Diamond (petrodiamond.com) - subsidiary of Mitsubishi Corporation
JP · Energy
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Virtual Projects (virtualprojects.build)
DK · Construction
Sep 2025
J. E. Stacey & Co. Ltd (jestacey.com)
UK · Construction
Sep 2025
FAI Aviation Group (fai.ag) - The biggest leak ever
DE · Transportation/Logistics
Sep 2025
a********p.com
—
Aug 2025
Quick Facts
CountryGermany (DE)
SectorTechnology
Attack DateSep 30, 2025
Domainmmsag.de
Intel Sourceransomware.live
StatusDUPLICATE CLAIM
Threat Group
External Links
Data sourced from Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Victim listing does not imply confirmed breach — intelligence based on group claims.