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high severity March 13, 2023 · 3 min read Unverified claim — what this is

Flensburger Schiffbau Gesellschaft mbH & Co. and Nobiskrug Yachts GmbH Listed by bianlian Ransomware Group

If you are a customer of Flensburger Schiffbau Gesellschaft mbH & Co., here’s what is being claimed, and what it would mean for you.

Flensburger Schiffbau Gesellschaft mbH & Co. and Nobiskrug Yachts GmbH was listed on the bianlian ransomware leak site. The group claims to have stolen internal data.

— from Bianlian’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
Flensburger Schiffbau Gesellschaft mbH & Co. and Nobiskrug Yachts GmbH Listed by bianlian Ransomware Group

On March 13, 2023, German shipbuilder Flensburger Schiffbau Gesellschaft mbH & Co. and affiliated luxury yacht builder Nobiskrug Yachts GmbH appeared on the leak site of the BianLian ransomware group. The listing states that internal files were exfiltrated during a ransomware attack. The companies have not publicly quantified how many individuals may be affected, nor has the leak site detailed the exact volume or sensitivity of the stolen data.

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Reported Details from the Leak Site

The BianLian portal lists both entities under the domain fsg-ship.de and claims successful data theft. The disclosure indicates that internal files were taken but does not specify record counts, types of documents, or whether customer, employee, or partner information is included. No ransom demand figure or payment deadline is shown in the current listing. The incident follows the typical BianLian pattern of encrypting systems and then threatening to publish stolen data if payment is not received.

Why This Matters for You and Your Family

When shipyards like FSG and Nobiskrug suffer a breach, the ripple effects reach far beyond corporate walls. Employees, contractors, suppliers, and even customers who shared personal or financial details may find their information exposed. Internal files often contain names, addresses, dates of birth, national identification numbers, banking coordinates, and correspondence that can be pieced together by identity thieves. If your employer or a company you do business with was involved, your data could already be circulating in criminal forums. Families are especially vulnerable because one exposed work email or phone number frequently links to home addresses, children’s school records, or shared family accounts.

The Doxxing and Identity-Chain Risk

Stolen internal files rarely stay isolated. Threat actors combine them with other breaches to build detailed identity chains that connect corporate credentials to personal lives. A work email from the shipyard can unlock personal webmail, which then reveals social-media handles, linked phone numbers, and even children’s gaming accounts. Once attackers control these entry points they can impersonate family members, request password resets, or sell the full dossier on dark-web marketplaces. Credential leaks like this one cascade into account takeovers that reach gaming platforms where children often reuse passwords or security questions derived from family information.

BianLian’s Known Track Record

Public reporting attributes BianLian’s emergence to mid-2022. The group has targeted healthcare providers, manufacturers, professional services firms, and other mid-sized organizations across multiple countries. Their typical playbook involves initial access through compromised remote desktop credentials or phishing, followed by exfiltration of sensitive files before deploying ransomware. Rather than focusing solely on encryption for ransom, BianLian emphasizes double-extortion by threatening to release the stolen data. The group frequently updates its leak site with new victims when negotiations stall, using countdown timers and sample file previews to increase pressure.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup of Warden to remove what you can.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you used at Flensburger Schiffbau Gesellschaft or Nobiskrug anywhere it is reused, and switch to 2FA through an authenticator app instead of SMS.
  • Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts that often chain back to the same breached corporate data.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites on your behalf while you focus on securing daily life.

The incident underscores that even specialized industrial firms hold data that can endanger ordinary families once it leaves secure premises. Starting now with deliberate monitoring and cleanup gives you the best chance of staying ahead of the chains criminals are already building. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts at risk from cascading credential leaks.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed March 13, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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