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high severity May 09, 2023 · 3 min read Unverified claim — what this is

Altstadt Hoffman Plumbing Listed by BianLian Ransomware Group

If you are a customer of Altstadt Hoffman Plumbing, here’s what is being claimed, and what it would mean for you.

Altstadt Hoffman Plumbing was listed on Bianlian's leak site. Bianlian claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Altstadt Hoffman Plumbing Listed by BianLian Ransomware Group

On May 09, 2023, Altstadt Hoffman Plumbing of Evansville, Indiana, appeared on the leak site operated by the bianlian Ransomware Group. The listing states that internal files were exfiltrated during a ransomware attack on the company’s network. The disclosure does not specify how many customer or employee records were involved, nor does it list exact data types beyond “internal files.”

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Details from the Leak-Site Listing

The primary disclosure on the bianlian onion site, archived via ransomware.live, states that Altstadt Hoffman Plumbing was listed after failing to meet the group’s extortion deadline. The entry indicates that data was stolen and is now published for anyone to download. No victim count or detailed inventory of exposed information appears in the listing itself. Public reporting on bianlian attacks consistently shows that the group exfiltrates documents before encrypting systems, then posts samples and demands payment to prevent full release.

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Why This Matters for You and Your Family

If you have used Altstadt Hoffman Plumbing for residential work, remodeling, new construction, or emergency repairs in the Evansville tri-state area, your personal information may sit inside the stolen files. Homeowners routinely provide names, addresses, phone numbers, email addresses, and payment details when scheduling service. Even without an exact record count, the exposure creates immediate risk: identity thieves can combine this data with other breaches to build complete profiles. Any residential customer data held by the company is now potentially public.

The Doxxing and Identity-Chain Implications

Plumbing-company records often link physical home addresses to names, phone numbers, and sometimes dates of service or insurance claim details. Once published on a ransomware site, this information spreads quickly across dark-web forums and data-broker lists. Attackers chain these details with credential leaks from other services, turning a single plumbing receipt into a pathway for account takeovers, targeted phishing, or physical stalking. Credential leaks like this one also cascade into gaming accounts belonging to you or your children when the same email and password combinations are reused.

Bianlian’s Publicly Known Track Record

Public reporting attributes bianlian’s first major campaigns to mid-2022. The group has since targeted hospitals, manufacturers, local governments, and small service businesses across the United States and Europe. Their typical playbook begins with initial access through compromised remote-desktop credentials or phishing, followed by lateral movement, data exfiltration, and deployment of ransomware. They publish victim data on their dedicated leak site when ransom is not paid, often within days of the initial breach notification. The Altstadt Hoffman Plumbing listing follows this exact pattern.

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.
  • Rotate any password you ever used when scheduling service with Altstadt Hoffman Plumbing and enable 2FA through an authenticator app on every account where that password was reused.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure that touches your household is caught in hours rather than months.
  • Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts that often chain back to the same address and email.
  • Let remediation specialists handle ongoing takedown requests across data brokers and leak sites on your behalf.

The incident underscores that even local service providers can become gateways to personal exposure when ransomware operators strike. Staying ahead requires more than changing one password. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes children’s gaming accounts. Start your DoxxScan trial today to close the gaps this claimed breach and future ones can create.

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 sample580 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 May 09, 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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