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high severity April 02, 2025 · 3 min read Unverified claim — what this is

BTHK Listed by warlock Ransomware Group

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

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

BTHK Listed by warlock Ransomware Group

On April 2, 2025, the warlock Ransomware Group added BTHK to its public leak site, claiming that it had exfiltrated internal files from the Hong Kong-based broadband and telecommunications provider during a ransomware attack.

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What's Publicly Reported from Reporting

Public reporting indicates the incident involves a classic ransomware pattern: initial access, data theft, and subsequent extortion pressure. The group posted proof of the breach on its leak site, stating that all data had been exfiltrated. No exact victim count has been released, and the precise number of individuals whose records were taken remains unknown. Available reporting describes the exposed material as internal files, though the full scope of personal information contained in those files has not been independently verified by third parties.

The leak site posting appeared on April 2, 2025, and follows the group’s standard practice of publishing samples to compel payment. Industry research from sources such as DoxxScan™ continuous monitoring indicates that telecommunications providers routinely store customer names, addresses, phone numbers, email accounts, service details, and in some cases payment information — any of which could be inside the stolen BTHK files.

Why This Matters for You and Your Family

When a broadband provider is breached, the data exposed often includes the exact details needed to impersonate you with banks, government agencies, or other services. If your household uses BTHK or any affiliated brand, your names, addresses, phone numbers, and emails may now sit in an attacker’s database. That information can be sold, traded, or used to launch targeted attacks against you or your children. The breach matters because it is not abstract: real families in Hong Kong and anyone whose records traveled through BTHK systems now face elevated risk of identity theft, phishing, and account takeovers that can unfold months after the initial leak.

The Doxxing and Identity-Chain Implications

Stolen telecom records rarely stay isolated. Attackers combine them with usernames, gaming handles, or school email addresses to build a complete picture of your household. A single leaked phone number or home address can link your adult accounts to your children’s gaming profiles, creating a chain that leads to doxxing, harassment, or further extortion. Credential leaks like this one frequently cascade into account takeovers on Steam, Roblox, Discord, and other platforms where kids use family email addresses. Once an attacker controls one account in the chain, they can reset passwords elsewhere and deepen the compromise.

Warlock Ransomware Group Track Record

Public reporting attributes the warlock Ransomware Group with emerging in late 2023. The group has targeted organizations across multiple sectors, with notable prior victims including healthcare providers, manufacturers, and technology firms. Its typical playbook begins with phishing or exploitation of remote-access tools for initial access, followed by exfiltration of sensitive files before encryption. The group then demands ransom and, if unpaid, publishes samples or the full dataset on its leak site to increase pressure. Observers note that warlock often sets short deadlines — sometimes as little as a few days — before releasing more data.

What to do

  • Rotate any password you used at BTHK or any affiliated service and enable 2FA through an authenticator app rather than SMS.
  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity, with cleanup handled by the service.
  • 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 coverage that extends to dependents and children’s gaming accounts that often chain back to the same address or email.
  • Let remediation specialists handle takedown requests across data brokers and exposed records for you while you focus on securing your own accounts.

The BTHK breach is a reminder that your family’s digital footprint can be turned against you with little warning. Taking deliberate steps now limits how far attackers can travel down the identity chain. 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 — practical protection when credential leaks like this one threaten to cascade into larger compromises.

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 April 02, 2025
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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