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

Greenslade Taylor Hunt Listed by bianlian Ransomware Group

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

GTH is one of the longest established firms of chartered surveyors, auctioneers, property specialists and letting agents in the West Country.

— 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.
Greenslade Taylor Hunt Listed by bianlian Ransomware Group

Greenslade Taylor Hunt, a long-established West Country firm of chartered surveyors, auctioneers, property specialists and letting agents, was listed on the BianLian ransomware leak site on May 09, 2023. The listing indicates that internal files were exfiltrated during a ransomware attack. The disclosure does not specify the number of people affected or detail the exact contents of the stolen data.

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Reported Details from the Leak Site

The BianLian leak site entry for gth.net states that the company suffered a ransomware incident in which attackers successfully exfiltrated internal files. No victim count, ransom amount, or file inventory appears in the public listing. The notification confirms the data was taken rather than simply encrypted, consistent with the group’s double-extortion approach of both locking systems and threatening to publish stolen information.

BianLian posted the Greenslade Taylor Hunt data on their onion site, giving the firm a deadline to negotiate before full publication. As of the listing date, the sample files shown consisted of documents that would normally sit behind the company’s internal network.

Why This Matters for You and Your Family

If you have ever used Greenslade Taylor Hunt for property valuation, auctions, lettings, or surveys, your personal information may sit inside the stolen internal files. Home addresses, phone numbers, email accounts, financial details tied to property transactions, and identification documents are common in such records. Even when exact record counts remain unknown, the exposure creates immediate risk for anyone whose data was held by the firm.

Ordinary families in the West Country who bought, sold, or rented through the agency now face the possibility that their details are in the hands of extortionists. Once files leave the victim’s control, there is no reliable way to know who has copies or where they may surface next.

The Doxxing and Identity-Chain Risk

Stolen internal files from a property firm frequently contain chains of personal data that link names, addresses, phone numbers, and email accounts. Attackers or subsequent buyers of the data can combine these fragments with information from other breaches to build complete identity profiles. A single leaked address or phone number can expose family members, including children, across social media, gaming platforms, and online accounts.

Credential leaks and personal documents of this nature often cascade into account takeovers. Gaming accounts belonging to you or your children are particularly vulnerable because the same passwords or recovery emails may be reused across services. Once an attacker controls one account, they can harvest further details that tighten the identity chain and lead to harassment, financial fraud, or physical doxxing.

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 local governments across multiple countries. Their typical playbook begins with initial access gained through compromised credentials or vulnerable remote desktop services, followed by lateral movement inside the network to locate and exfiltrate documents before deploying ransomware.

Rather than focusing solely on encryption, BianLian emphasises extortion through data publication. They maintain a leak site where they post samples and pressure victims with countdowns. The group has shown willingness to release sensitive files when negotiations fail, making every listing a credible threat to the individuals whose records are contained in the stolen material.

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.
  • Rotate any password you ever used with Greenslade Taylor Hunt 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 of your data is caught in hours rather than months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts vulnerable to credential chaining from this claimed breach.
  • Let remediation specialists manage takedown requests for any exposed personal documents appearing on data broker sites or forums.

The incident underscores that professional services firms handling everyday family transactions remain high-value targets whose breaches directly affect ordinary people. Staying ahead requires more than reactive checks. DoxxScan by GalaxyWarden delivers 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 at risk from cascading credential leaks. Start your DoxxScan trial today to regain control of your exposed information before it is exploited further.

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 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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