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high severity January 07, 2023 · 3 min read Unverified claim — what this is

takamiya.co Listed by lockbit3 Ransomware Group

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

Takamiya provides total services from development/manufacturing, sales, rental, design/construction, management/distribution of various products including temporary equipment .Takamiya Co., LtdWe create products and services with high added value...

— from LockBit’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.
takamiya.co Listed by lockbit3 Ransomware Group

On January 07, 2023, Japanese scaffolding and temporary-equipment provider Takamiya Co., Ltd. appeared on the LockBit 3.0 ransomware leak site. The listing states that internal files were exfiltrated during a ransomware attack; the exact number of records exposed and the full scope of data remain undisclosed by both the threat actor and the company.

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Primary Disclosure Details

The LockBit 3.0 leak page, archived via ransomware.live, states that Takamiya was listed after refusing or failing to meet the group's ransom demand. It explicitly notes internal files exfiltrated but provides no inventory of the documents, no customer database size, and no samples beyond the initial proof-of-compromise images. The disclosure indicates the data was stolen prior to encryption attempts, a standard LockBit tactic. No formal breach notification from Takamiya has surfaced publicly quantifying affected individuals or detailing specific data types such as customer names, contact details, or employee payroll files.

Why This Matters for You and Your Family

When a company that supplies construction sites, event venues, and industrial scaffolding stores your information, a breach puts ordinary families at risk. If you have rented temporary fencing, grandstands, or site equipment from Takamiya, your name, address, phone number, payment records, or contract details may now sit in an attacker-controlled archive. Even without exact victim counts, the exposure of internal files typically includes supplier lists, client invoices, and employee information that can be pieced together for identity theft or targeted scams. Your family’s contact details become raw material for phishing campaigns that feel personal because they reference real transactions.

Doxxing and Identity-Chain Risks

Exposed internal files often contain email addresses, phone numbers, and physical addresses that link disparate online handles to real-world identities. Once attackers or opportunistic criminals obtain these connections, they can map your gaming usernames, social-media accounts, and family members’ profiles into a single target dossier. Credential leaks of this nature frequently cascade into account takeovers, especially for shared family passwords. Children’s gaming accounts tied to a parent’s breached email become entry points for harassment, in-game theft, or further doxxing. The chain is rarely limited to one company; one leak frequently unlocks others.

LockBit 3.0 Track Record

Public reporting attributes the LockBit 3.0 variant to a ransomware-as-a-service operation that first emerged in 2019 under the original LockBit name. The group rebranded to LockBit 3.0 in early 2022 after law-enforcement pressure on earlier infrastructure. Notable prior victims include numerous healthcare providers, manufacturers, and logistics firms across North America, Europe, and Asia. Their typical playbook begins with initial access via compromised credentials or exploited remote-desktop services, followed by rapid lateral movement, data exfiltration, and then dual extortion: threatening both encryption and public leak of stolen files. The group maintains a leak site that updates deadlines and publishes proof files when victims do not pay.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by specialists.
  • Rotate any password you used at Takamiya or similar service providers and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same breached address or email.
  • Let remediation specialists manage takedown requests for any exposed personal documents or broker listings that surface from this or linked incidents.

The Takamiya listing is a reminder that even seemingly specialized B2B firms hold data that can unravel ordinary family privacy. Staying ahead requires more than reactive checks; it demands continuous visibility and expert intervention when new leaks appear. DoxxScan by GalaxyWarden delivers that 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. Start your DoxxScan trial today and close the gaps before the next extortion wave reaches your doorstep.

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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takamiya.co 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 January 07, 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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