Skip to content
Back to Blog
high severity December 07, 2023 · 4 min read Unverified claim — what this is

National Nail Corp Listed by cactus Ransomware Group

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

National Nail has been a proud part of the American building materials industry for over 50 years as a manufacturer and distributor of high-quality, innovative product and service solutions for the residential, commercial, and industrial construction industries. We partner with multiple national and global suppliers and distributors to serve the hardware wholesale, roofing wholesale, independent, chain, home center and STAFDA channels.

— from Cactus’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.
National Nail Corp Listed by cactus Ransomware Group

On December 07, 2023, National Nail Corp appeared on the leak site operated by the cactus Ransomware Group. The Michigan-based manufacturer and distributor of fasteners and construction products for residential, commercial, and industrial use has confirmed that internal files were allegedly exfiltrated during a ransomware incident. The listing does not specify the volume of data taken or name exact record counts, but the presence on the public extortion portal means any stolen information is now at risk of further dissemination.

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.

Details from the Leak-Site Listing

The cactus leak site states that National Nail Corp suffered a ransomware attack in which attackers exfiltrated internal files before encrypting systems. No sample data has been published yet, and the disclosure does not quantify affected records or list specific data types beyond the generic description of internal files. The entry carries a deadline typical of double-extortion campaigns, after which the group threatens to release or sell the archive. Public reporting on cactus indicates the group follows a standard pattern of initial access through phishing or exploited remote services, followed by data exfiltration and then public shaming on their dedicated leak portal when ransom demands go unmet.

Why This Matters for You and Your Family

When a company that supplies hardware stores, roofing distributors, and home centers is breached, the information exposed often includes documents that contain names, addresses, phone numbers, email addresses, and sometimes Social Security numbers of customers, vendors, or employees. Even if you never bought a nail directly from National Nail, your data may have been shared through supply-chain partners, warranty registrations, or employment records. Once that information reaches dark-web markets or public forums, it becomes raw material for identity theft, phishing campaigns, and financial fraud targeting you and your family.

Internal files exfiltrated in ransomware attacks frequently hold spreadsheets of contact lists, invoices, and employee rosters. These records do not expire; they can be reused years later when criminals combine them with newer breaches to build richer profiles.

The Doxxing and Identity-Chain Risks

Exposed business documents often contain enough personal details to link an individual’s work identity to their home address, spouse’s name, and children’s information. Attackers then chain these fragments across multiple leaks to create doxxing packages that include email addresses, phone numbers, and passwords reused from other sites. The result is account takeovers on personal email, banking portals, and especially gaming platforms where children use family email addresses. A single credential leak like this one can cascade into full identity compromise when criminals map handles to real people and then target linked accounts for harassment, extortion, or further theft.

Cactus Ransomware Group Track Record

Public reporting attributes the emergence of cactus Ransomware Group to mid-2023. The group has targeted mid-sized manufacturing, distribution, and professional-services firms across the United States and Europe. Notable prior victims include other building-products companies and regional suppliers whose internal documents were later posted when negotiations failed. Their typical playbook begins with phishing or brute-force access to remote desktop services, followed by lateral movement to file servers, exfiltration of sensitive folders, and deployment of ransomware. When payment is refused, they publish victim names on their leak site and offer the data for sale to other criminals, increasing long-term exposure.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity so you can see exactly what this claimed breach connects to (cleanup of Warden).
  • Rotate any password you ever used at National Nail Corp or its partner portals anywhere it is reused, and switch to 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information surfaces it is caught within hours instead of months.
  • Cover the household — DoxxScan family coverage extends to dependents and children’s gaming accounts that often chain back to the same breached email or address.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites on your behalf while you focus on securing accounts.

The breach of National Nail Corp illustrates how supply-chain companies quietly hold large volumes of personal data that, once stolen, can fuel identity crimes for years. Staying ahead requires more than changing one password; it demands ongoing visibility into how your information travels across the internet. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping that links online handles to real identities, hands-on remediation by specialists, and full household coverage that includes your children’s gaming accounts. Start your DoxxScan trial today to close the gaps this incident and future ones will try to exploit.

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
National Nail 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
Disclosed December 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.
Share this Post on X Reddit Email