Thyssenkrupp Marine Systems (TKMS) GmbH / Atlas Elektronik
bd_82bea7300bb86590 · schema v1 · pii pii-v1
Full breach record for Thyssenkrupp Marine Systems (TKMS) GmbH / Atlas Elektronik →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Thegentlemen on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
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+
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jun 25, 2026
Claim posted
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No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
thegentlemen
According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.