high severity November 27, 2023 · 3 min read Unverified claim — what this is

Staples Listed by Coinbase Cartel Ransomware Group

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

Staples was listed on Coinbase Cartel's leak site. Coinbase Cartel claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Staples Listed by Coinbase Cartel Ransomware Group

On November 27, 2023, office-supply retailer Staples appeared on the leak site operated by the coinbasecartel ransomware group. The listing states that internal files were exfiltrated during a ransomware attack. The disclosure does not specify how many people are affected or exactly which records were taken.

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Reported Details from the Listing

The coinbasecartel leak site lists Staples as a victim and claims the company suffered a ransomware incident that resulted in the theft of internal files. No victim count, no sample documents, and no ransom demand appear in the public posting. The notification simply confirms that data was allegedly exfiltrated and warns that it will be published if demands are not met. Because the primary source is the actor’s own leak page, independent verification of the exact contents remains limited.

Why This Matters for You and Your Family

When a large retailer like Staples loses control of internal files, the information often includes customer records, employee payroll data, vendor contracts, or partner details. Any of those records can contain names, addresses, email addresses, phone numbers, and sometimes payment information. If your family has shopped at Staples, placed a B2B order, or if you or a household member ever worked there, your personal data may now sit in an attacker’s archive. Once stolen data leaves the company’s control, it can surface on multiple underground platforms for months or years.

The Doxxing and Identity-Chain Risk

Stolen internal files rarely stay isolated. Attackers and subsequent buyers combine them with other breaches to build detailed profiles. An email from a Staples purchase can be linked to your social-media handles, your children’s school accounts, or a reused password. These identity chains let criminals move from one account takeover to the next, escalating from simple fraud to full doxxing. Credential leaks like this one frequently cascade into gaming-account compromises, especially for households where family members share email addresses or passwords across work, shopping, and play.

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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 Coinbase Cartel · 213 incidents tracked →Siegedsec · 19 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed November 27, 2023

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

Coinbase Cartel — 213 incidents tracked

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

Threat-actor tracker

Siegedsec — 19 incidents tracked

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

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