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high severity October 01, 2023 · 3 min read Unverified claim — what this is

ckgroup.com.tw Listed by lockbit3 Ransomware Group

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

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

ckgroup.com.tw Listed by lockbit3 Ransomware Group

On October 1, 2023, Chien Kuo Construction (ckgroup.com.tw) appeared on the LockBit 3.0 ransomware leak site, claiming that the Taiwanese construction firm had been hit by the group and that internal files had been exfiltrated.

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Details from the Leak-Site Listing

The LockBit 3.0 portal lists Chien Kuo Construction as a victim and states that data was taken during a ransomware incident. The listing does not specify the volume of records affected, the exact types of internal files stolen, or any ransom amount demanded. It simply states that the company’s network was compromised, data was removed, and the information is now held by the operators. Public mirrors of the leak site, such as ransomware.live, preserve the original post dated October 1, 2023, making this the primary disclosure for affected individuals whose information may have been inside the stolen files.

Why This Matters for You and Your Family

When a construction company like Chien Kuo is breached, the exposed internal files often contain contracts, employee records, vendor details, and personal information belonging to staff, subcontractors, and sometimes clients. If your name, address, national ID, payroll data, or contact information was stored in those systems, it may now be in the hands of criminals. Construction-sector breaches frequently expose tax documents, banking coordinates, and family contact lists that can be used for identity theft, loan fraud, or targeted phishing. Even if you never worked directly for the firm, your data may have been shared through a supplier, project partner, or joint venture—common in the industry—placing you and your family at risk of long-term financial and privacy harm.

The Doxxing and Identity-Chain Risks

Stolen internal files rarely stay isolated. Attackers map relationships between email addresses, employee names, phone numbers, and project partners, then cross-reference them with other breaches. A single leaked work email can link to your personal accounts, home address, and even your children’s online profiles. Credential leaks of this kind frequently cascade into gaming-account takeovers, where stolen passwords grant access to platforms that store chat logs, payment methods, and real-world details. Once attackers control one account, they can impersonate you, request password resets elsewhere, or sell the full identity package on underground markets. The result is a doxxing chain that can expose your entire household.

LockBit 3.0’s Known Track Record

Public reporting attributes LockBit 3.0 as the latest iteration of the LockBit ransomware family, which first gained notoriety in 2019 and rebranded to version 3.0 in early 2022. The group has targeted organizations across dozens of countries, including hospitals, manufacturers, logistics firms, and government contractors. Their typical playbook involves initial access through compromised remote desktop credentials or vulnerable web applications, followed by lateral movement, data exfiltration, and deployment of ransomware. After encryption they publish samples on their leak site and threaten full data release unless payment is made. LockBit 3.0 is known for aggressive extortion, sometimes contacting victims’ partners and customers directly. While the exact initial access method used against Chien Kuo Construction remains unknown, the group’s established pattern indicates that both the stolen files and any unencrypted backups are likely now in their possession.

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.
  • 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 Chien Kuo Construction or related vendor portals anywhere it has been reused, and switch to 2FA via an authenticator app instead of SMS.
  • Cover the household with DoxxScan family protection, which extends to dependents and children’s gaming accounts that often chain back to the same leaked credentials and home address.
  • Let remediation specialists handle ongoing takedown requests for any personal records that surface from this incident across data brokers and leak repositories.

The Chien Kuo Construction breach is a reminder that even companies you have never heard of can hold pieces of your personal story. Acting quickly on credential hygiene and identity mapping limits how far attackers can travel down the chain. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes your family and children’s gaming accounts. Start your DoxxScan trial today to close the gaps this incident has opened.

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 October 01, 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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