high severity August 14, 2026 · 3 min read Unverified claim — what this is

Columbia University Information (Dental) Listed by Global Secret Group Ransomware Group

If you are a patient of Columbia University Information (Dental), here’s what is being claimed, and what it would mean for you.

Columbia University Information (Dental) was listed on Global Secret Group's leak site. Global Secret Group claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Columbia University Information (Dental) Listed by Global Secret Group Ransomware Group

If you have an account with Columbia University’s dental services or related academic systems, the Global Secret Group ransomware crew has listed the institution on its leak site. According to the listing, they claim to possess files taken from Columbia. The university has not publicly confirmed the claim as of this writing.

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Everything else the attackers posted remains an unverified claim.

What a Leak-Site Listing Actually Establishes

Ransomware and extortion groups maintain leak sites as a pressure tactic. They post a company name, a sample of files, and a countdown. The goal is to force the target to negotiate or pay to prevent wider publication. In practice, these listings are marketing material produced by the attacker.

Many listings turn out to be recycled data from older incidents, exaggerated volumes, or material obtained through methods other than the ransomware attack described. Some listings are simply false. Without independent confirmation from the university, a regulator, or forensic evidence placed in the public domain, the listing alone does not prove that a breach occurred, that the files are authentic, or that any particular record belonging to you was taken.

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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 Global Secret Group · 63 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed August 14, 2026

Last reviewed August 14, 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

Global Secret Group — 63 incidents tracked

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

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