high severity September 04, 2025 · 3 min read Unverified claim — what this is

www.independentpaperboard.com Listed by Lynx Ransomware Group

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

Independent Paperboard Marketing, LLC is a problem-solving paperboard brokerage company that has built a reputation over more than twenty years as the supplier of choice for demanding paperboard converters in the U.S. They focus on key business principles such as honoring commitments, providing quality products, and building long-term relationships while constantly innovating. Established in 1994, IPM aims to extend the reach of partner mills through local representation and strong supplier relationships. Their deep expertise ensures they can meet customers' board needs amidst supply chain cha
— from Lynx’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.

www.independentpaperboard.com Listed by Lynx Ransomware Group

On September 4, 2025, the ransomware group Lynx added Independent Paperboard Marketing, LLC to its public leak site, claiming that internal files had been exfiltrated from the U.S. paperboard brokerage company.

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What Public Reporting Shows

Public reporting indicates that Lynx claims to have stolen internal documents during a ransomware attack on Independent Paperboard Marketing. The company, founded in 1994, serves as a broker connecting paperboard mills with converters across the United States. Available reporting describes the exposed material as internal files, though the precise volume and full list of data types remain unconfirmed by the victim organization. No customer count or employee number has been publicly tied to the breach. The listing appeared on the group's onion leak site, which serves as its primary extortion platform.

Why This Matters for You and Your Family

When a company like Independent Paperboard Marketing suffers a breach, the information inside its files can include details that point back to real people. Vendors, partners, employees, and even customers may find their names, addresses, phone numbers, or business correspondence exposed. Once that data leaves the company's control, it can be sold, traded, or used to target you directly. For ordinary families this means higher risk of identity theft, phishing campaigns, or unwanted contact that starts from what should have been private business records. Your information does not need to be the main target for it to affect your daily life.

The Doxxing and Identity-Chain Implications

Leaked internal files often contain more than one piece of information about a person. An email address listed in a vendor spreadsheet can be linked to a personal phone number in another document, which then connects to social-media handles or family details. These connections create an identity chain that lets attackers build a full profile without much extra effort. Credential leaks like this one frequently cascade into account takeovers on email, banking, or shopping sites. The same chains extend to gaming accounts belonging to you or your children, where a compromised username or reused password can lead to doxxing, harassment, or further data theft. Public reporting shows these follow-on attacks happen quickly once the initial files surface on leak sites.

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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 sample580 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.

Report details & sourcing

Attributed to Lynx · 415 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed September 04, 2025

Last reviewed August 8, 2026

Affected Unconfirmed

By GalaxyWarden Threat Research · Editorial & sourcing standards

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.

Threat-actor tracker

Lynx — 415 incidents tracked

Every breach we've attributed to Lynx, in one running log. See who else they've hit →

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