Home All Victims Thyssenkrupp Marine Systems (TKMS) GmbH / Atlas Elektronik

Thyssenkrupp Marine Systems (TKMS) GmbH / Atlas Elektronik

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against Thyssenkrupp Marine Systems (TKMS) GmbH / Atlas Elektronik. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Window Zero

EXPOSURE GAP

Window Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.

-87days
t1 · Published t2 · Disclosed
Jun 25, 2026Mar 31, 2026
Country
Germany
Business Category
IT
Employees
+1000
Discovered
2026-06-28
Published
June 25, 2026
Disclosed / Notified
Mar 31, 2026
Victim ID
wJfkZKVWvYIi

Attack Summary

https://www.***.com/c/atlas-elektronik-gmbh/22289599 https://www.***.com/c/atlas-north-america-llc/346681852 https://www.***.com/c/thyssenkrupp-marine-systems/559786010 www.atlas-elektronik.com na.atlas-elektronik.com https://www.tkmsgroup.com/atlas-elektronik/ ThyssenKrupp Marine Systems of Germany (often abbreviated TKMS) is a group and holding company of providers of naval vessels, surface ships and submarines. It was founded when large industrial conglomerate ThyssenKrupp acquired Howaldtswerke-Deutsche Werft on January 5, 2005 TKMS Group is a leading provider of integrated system solutions in maritime defense technologies, catering to the complex requirements of modern navies. The company specializes in surface vessels, submarines, and advan Atlas Elektronik, founded in 1902 and headquartered in Bremen, Germany, is a marine electronics and systems business. It is involved in the development of integrated sonar systems for submarines and heavyweight torpedoes. 1TB+

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for zoominfo.com — indexed by HaveIBeenRansom.
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