Skip to content
Back to Blog
high severity February 09, 2024 · 3 min read Unverified claim — what this is

CTSI Listed by bianlian Ransomware Group

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

The company provides various services: environmental, health, & safety (EHS), industrial hygiene, technical services, emergency response.

— 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.
CTSI Listed by bianlian Ransomware Group

On February 09, 2024, Connecticut-based CTSI was listed on the leak site operated by the bianlian Ransomware Group. The company, which provides environmental, health and safety consulting, industrial hygiene, technical services, and emergency response support, is claimed to have had internal files exfiltrated during a ransomware attack. The disclosure does not specify how many individuals or records are affected, nor does it detail the exact contents of the stolen data.

Already exposed?
You can’t unleak data. You can take away what it’s worth.
A leaked record is where it starts, not where it ends. What turns it into your front door is the look-up sites publishing your address beside your name — and those are what an AI reads when somebody asks about you. The free scan shows you both. We write to 582 companies.
See what is exposed about you — free scan →
Not ready yet? Run a free breach check on this email
We’ll check it against 13.1B+ leaked records right now — no account needed. Continuous monitoring & alerts are part of Protection.

Primary Disclosure Details

The bianlian leak site listing states that CTSI suffered a ransomware incident in which attackers successfully exfiltrated internal files. No victim count, ransom amount, or specific data categories such as names, Social Security numbers, or client records are provided in the posting. The notification simply confirms that data was taken and threatens publication if demands are not met. Public reporting on similar bianlian listings indicates that once a company appears on the site, samples or full archives are often released in stages to increase pressure.

February 09, 2024 marks the first public confirmation of the compromise through the group’s official leak portal, accessible via the onion address hosted on the ransomware.live mirror.

Why This Matters for You and Your Family

If you or anyone in your household has worked with CTSI, received environmental testing services, participated in industrial hygiene programs, or been involved in one of their emergency response contracts, your personal information may now sit in an attacker-controlled archive. Even when exact record counts remain unknown, ransomware groups routinely harvest employee records, vendor contracts, client contact lists, and billing information. Any of these can be combined with data from previous breaches to build a detailed profile of you and your family.

The exposure is especially relevant for families living near industrial sites, laboratories, or manufacturing facilities that contract with firms like CTSI for compliance and safety work. Your address, phone number, email, or employment history could surface in negotiations between the criminals and the company or on underground forums after the data is sold.

Doxxing and Identity-Chain Risks

Stolen internal files frequently contain spreadsheets that link employee names to home addresses, spouse information, and emergency contacts. Attackers then cross-reference these details with usernames, gaming handles, or email addresses found in the same archive. The result is an identity chain that stretches from a professional consulting engagement to your personal life online. Once mapped, these chains enable targeted phishing, account takeovers, and eventual doxxing.

Credential leaks like this one often cascade into gaming account compromises. Children’s Roblox, Fortnite, or Steam accounts tied to a parent’s work email become easy targets, exposing chat logs, payment methods, and friend networks that further expand the attacker’s map of the household.

Bianlian’s Known Track Record

Public reporting attributes the bianlian Ransomware Group’s emergence to mid-2022. The group has since targeted healthcare providers, manufacturers, professional services firms, and local governments across North America and Europe. Notable prior victims include healthcare networks and engineering consultancies whose client data overlapped with environmental and safety records similar to CTSI’s portfolio.

Bianlian’s typical playbook begins with initial access gained through compromised remote desktop credentials or phishing. Once inside, operators exfiltrate documents before deploying ransomware. They prefer quiet extortion: publishing sample files on their leak site and giving the victim a short window to pay before releasing larger portions of the archive. The group does not always encrypt systems, focusing instead on data theft and public shaming.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity, then use the cleanup of Warden to break those chains.
  • Rotate any password you have ever used at CTSI or related consulting portals anywhere it is reused, and switch to a hardware-backed authenticator app for all accounts.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your data is caught and acted on within hours rather than months.
  • Cover the entire household with DoxxScan family protection, which extends to dependents and children’s gaming accounts that often chain back to the same breached email or address.
  • Let remediation specialists handle data-broker takedown requests and opt-out processes that would otherwise require weeks of manual effort.

The CTSI listing is a reminder that even specialized consulting firms handling sensitive compliance data can become gateways to personal exposure. Start your DoxxScan trial today and put continuous monitoring, identity-chain mapping, and hands-on remediation specialists between your family and the next wave of extortion-driven leaks. DoxxScan by GalaxyWarden delivers exactly that layered defense for households.

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
Ctsi is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

By running your scan you agree to the Terms and Conditions and the Privacy Policy, and to GalaxyWarden emailing you the results of this scan.

Report details & sourcing

Severity High
Disclosed February 09, 2024
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.
Share this Post on X Reddit Email