high severity April 15, 2026 · 3 min read Unverified claim — what this is

Cognizant Listed by Coinbase Cartel Ransomware Group

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

Cognizant 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.

Cognizant Listed by Coinbase Cartel Ransomware Group

On April 15, 2026, the ransomware group known as CoinbaseCartel added Cognizant to its public leak site, claiming that it had exfiltrated internal files from the global IT services provider during a ransomware attack.

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What Public Reporting Shows

Public reporting indicates that Cognizant, a major technology and business process outsourcing company headquartered in New Jersey, had sensitive internal documents taken. The exact number of people whose information may have been exposed remains unknown. Available details describe the incident as a classic ransomware operation involving both encryption of systems and subsequent data theft for extortion.

The leaked material consists of internal files rather than a single customer database. No confirmed list of specific data types such as Social Security numbers or payment card details has been published, though ransomware groups routinely harvest employee records, contracts, and client-related documents in attacks on service providers like Cognizant.

Why This Matters for You and Your Family

When a company that handles technology infrastructure and business processes for other organizations is breached, the ripple effects often reach ordinary people. If you or your family members have accounts with any Cognizant client in healthcare, banking, retail, or manufacturing, your information may have been stored on systems the company manages. A single breach like this can quietly expose email addresses, phone numbers, or login details that you reuse elsewhere.

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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 →

Severity High the filing does not enumerate what was exposed

Disclosed April 15, 2026

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 →

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