Skip to content
Back to Blog
high severity September 11, 2024 · 3 min read Unverified claim — what this is

www.naniwa-pump.co.jp Listed by ransomhub Ransomware Group

If you are a customer of www.naniwa-pump.co.jp, here’s what is being claimed, and what it would mean for you.

www.naniwa-pump.co.jp was listed on Ransomhub's leak site. Ransomhub claims to have stolen internal data. This is the group's claim, not a confirmed finding.

www.naniwa-pump.co.jp Listed by ransomhub Ransomware Group

On September 11, 2024, Japanese pump manufacturer Naniwa Pump Mfg. Co., Ltd. appeared on the leak site operated by the RansomHub ransomware group. The listing states that internal files were exfiltrated during a ransomware attack on the company’s networks. The disclosure does not specify the number of records affected or list exact data types beyond “internal files.”

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 RansomHub leak page, accessible via the onion address hosted on ransomware.live, states that Naniwa Pump data was uploaded on September 11, 2024. It describes the incident as a successful ransomware deployment followed by data exfiltration. No sample files are shown in the public listing, and the group has not published a specific deadline for payment in the visible entry. The company, founded in 1947 and based in Japan, produces industrial pumps for centrifugal, vacuum, and submersible applications. As of this writing, Naniwa Pump has not issued a public breach notification detailing what was taken or who may be impacted.

Why This Matters for You and Your Family

When a manufacturer’s internal files leave its control, anyone whose information touched those systems faces immediate risk. Vendors, customers, employees, and their dependents may find personal details exposed. Even if the leak-site listing does not quantify affected records, the exposure of internal files often includes contracts, invoices, employee directories, or correspondence that contain names, addresses, phone numbers, email accounts, and financial details. For ordinary families, this means your information could be used for identity theft, phishing campaigns, or sold quietly on other underground markets. The breach also signals that the company’s cybersecurity posture was insufficient to prevent both encryption and theft, raising questions about how carefully it protected the data you entrusted to it.

Doxxing and Identity-Chain Risks

Internal files frequently create long identity chains. An employee’s work email paired with a home address, spouse’s name, or child’s school reference can be cross-referenced with other leaks to map an entire household. Threat actors then target linked gaming accounts, social-media handles, and personal email addresses. A single credential exposed in this incident can cascade into account takeovers across unrelated services. Children’s usernames and passwords reused from family computers are especially vulnerable; once one account falls, attackers can harvest photos, chat logs, and location data that fuel further extortion or harassment. These chains are rarely visible until damage is done.

RansomHub’s Known Track Record

Public reporting attributes RansomHub’s first significant activity to early 2024. The group has since listed victims across manufacturing, healthcare, logistics, and technology sectors. Notable prior targets include several mid-sized industrial firms and at least one major North American healthcare provider. Their typical playbook combines double extortion: they deploy ransomware to encrypt systems, exfiltrate data before triggering the encryption, then threaten both operational disruption and public leak of stolen files. RansomHub often gives victims a short payment window before releasing initial samples or full archives on their leak site. They accept cryptocurrency and have shown willingness to negotiate but frequently follow through on publication when demands are ignored.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by GalaxyWarden specialists.
  • Rotate any password you used at Naniwa Pump or related vendor portals and enable 2FA through an authenticator app everywhere that credential was reused.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts commonly chained to the same address or parental credentials.
  • Let remediation specialists manage takedown requests for any personal data already appearing on broker sites or forums tied to this incident.

The speed with which ransomware groups like RansomHub move from intrusion to public shaming leaves little room for delay. Treating this claimed breach as a personal wake-up call, rather than someone else’s corporate problem, is the clearest way to limit downstream harm. 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 children’s gaming accounts vulnerable to credential-stuffing attacks that often follow leaks like this one.

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
www.naniwa-pump.co.jp 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 the filing does not enumerate what was exposed
Disclosed September 11, 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