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

nucleodediagnostico.mx Listed by lockbit5 Ransomware Group

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

Núcleo de Diagnóstico Núcleo de Diagnóstico es un laboratorio de análisis clínicos ubicado en Guada...
— from LockBit’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.

nucleodediagnostico.mx Listed by lockbit5 Ransomware Group

On April 13, 2026, the Mexican clinical laboratory Núcleo de Diagnóstico appeared on the LockBit 5 ransomware group's leak site with internal files reportedly stolen during a ransomware attack.

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What Public Reporting Shows

Public reporting indicates the laboratory, located in Guadalajara, had sensitive internal documents exfiltrated. The exact number of patients or employees affected remains unknown. Available reporting describes the data as internal files rather than a structured database of patient records, though the precise contents have not been independently verified by third parties.

The incident follows the group's standard pattern of encrypting systems, exfiltrating data, and then publishing samples on their dark-web leak site when ransom demands go unmet. No official statement from the laboratory has been widely reported as of this writing.

Why This Matters for You and Your Family

When a medical laboratory's files are stolen, the information often includes names, dates of birth, addresses, national identification numbers, test results, and billing details. These records can be used to file fraudulent tax returns, open accounts in your name, or impersonate you with insurers.

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Report details & sourcing

Attributed to LockBit · 3412 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed April 14, 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.

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