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high severity September 25, 2022 · 3 min read Unverified claim — what this is

KOLLITSCH Listed by blackbasta Ransomware Group

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

KOLLITSCH was listed on the blackbasta ransomware leak site. The group claims to have stolen internal data.

— from Blackbasta’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.
KOLLITSCH Listed by blackbasta Ransomware Group

On September 25, 2022, the architecture and engineering firm KOLLITSCH appeared on the leak site operated by the Black Basta ransomware group. The listing states that internal files were exfiltrated during a ransomware attack, although the exact number of records and the full scope of data taken remain undisclosed by both the victim and the threat actors.

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Reported Details from the Leak Site

The primary disclosure on the Black Basta leak portal indicates that KOLLITSCH suffered a ransomware intrusion in which attackers successfully exfiltrated internal files before encrypting systems. The listing does not quantify affected records, specify file types beyond “internal files,” or reveal any sample data. It simply presents the company name alongside a countdown timer typical of the group’s extortion playbook. Public mirrors of the leak site, such as ransomware.live, preserve this original posting with its September 25, 2022 timestamp.

Black Basta claims the stolen material will be published if the victim refuses to negotiate, a standard pressure tactic used by the group.

Why This Matters for You and Your Family

When an architecture or engineering firm is hit, the exposed internal files often contain contracts, employee records, client contact details, and project documentation. If your name, address, email, phone number, or Social Security number appears in any of those files, the breach places you at direct risk of identity theft and financial fraud. Even when exact data types are not publicly detailed, the mere fact that internal files were taken means personal information tied to employees, vendors, or clients could now sit on a criminal server. For ordinary families, this translates into months or years of potential spam, phishing campaigns, and targeted scams that reference real business relationships.

The Doxxing and Identity-Chain Risk

Ransomware leaks rarely stop at one dataset. A single exposed email or phone number becomes the anchor for an identity chain that links your professional life to personal accounts, family members, and even children’s online profiles. Attackers and opportunistic criminals scrape these leaks to build dossiers, then pivot to gaming platforms, social media, and data-broker sites. Credential leaks of this nature frequently cascade into account takeovers precisely because the same password used for a work portal is reused at home. The result is doxxing that can expose home addresses, family relationships, and children’s gaming handles in one continuous chain.

Black Basta’s Known Track Record

Public reporting attributes the first Black Basta activity to early 2022. The group rapidly gained notoriety for double-extortion attacks that combine ransomware encryption with public data leaks. Notable prior victims have included healthcare providers, manufacturers, and professional-services firms. Their typical playbook begins with initial access gained through compromised remote-desktop credentials or phishing, followed by rapid lateral movement, data exfiltration, and deployment of their custom ransomware. After encryption, they wait a short period before listing the victim on their leak site with a demand for payment in Bitcoin. If unpaid, they publish or auction the stolen files. The group has shown operational discipline, frequently rebranding infrastructure to evade sanctions, yet their core extortion style has remained consistent since emergence.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • 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 KOLLITSCH or related professional accounts anywhere it has been reused, and switch to 2FA through an authenticator app instead of SMS.
  • Cover the entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts vulnerable to the same credential chains.
  • Let remediation specialists manage takedown requests for any exposed personal information appearing on data-broker or leak sites.

The KOLLITSCH listing is a reminder that ransomware groups continue to treat stolen corporate data as public leverage, and ordinary families downstream of those breaches bear the long-term identity risk. Starting proactive defense now limits how far attackers can travel along your personal identity chain. DoxxScan by GalaxyWarden delivers that defense through continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts.

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.

Check your exposure
Kollitsch is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed September 25, 2022
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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