Skip to content
Back to Blog
high severity May 24, 2026 · 4 min read Unverified claim — what this is

Sanatorio Delta Listed by thegentlemen Ransomware Group

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

sanatoriodelta.com private healthcare institution in Rosario, Argentina, with over 40 years of medical excellence and patient-centered care. Delivers comprehensive services across 50+ specialties through 10 modern facilities, including cardiology, trauma care, and advanced diagnostics. A dedicated team of 250+ professionals, seamless online scheduling, and 24/7 emergency support ensure exceptional health outcomes for every patient

— from The Gentlemen’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.
Sanatorio Delta Listed by thegentlemen Ransomware Group

On May 24, 2026, private healthcare provider Sanatorio Delta in Rosario, Argentina, appeared on the leak site of the ransomware group known as thegentlemen. The listing indicates that internal files were exfiltrated during a ransomware attack on the institution, which operates ten medical facilities and serves patients across more than 50 specialties.

Already exposed?
You can’t unleak data. You can take away what it’s worth.
A leaked record is where it starts, not where it ends. What turns it into your front door is the look-up sites publishing your address beside your name — and those are what an AI reads when somebody asks about you. The free scan shows you both. We write to 582 companies.
See what is exposed about you — free scan →
Not ready yet? Run a free breach check on this email
We’ll check it against 13.1B+ leaked records right now — no account needed. Continuous monitoring & alerts are part of Protection.

Reported Details of the Incident

Public reporting from the ransomware.live tracker shows the Sanatorio Delta entry was posted on thegentlemen’s leak site on May 24, 2026. The healthcare organization, which employs more than 250 professionals and has provided services for over 40 years, had internal files taken. The exact number of patients or staff whose information may have been exposed remains unknown. Available reporting describes the data as internal files; specific categories such as patient names, medical records, contact details or billing information have not been publicly detailed by the group.

The incident follows the group’s typical pattern of exfiltrating data before encrypting systems and later publishing samples or full datasets when demands are not met.

Why This Matters for You and Your Family

When a healthcare provider’s internal files are stolen, the information often includes personal details that can be used to target you or members of your household. Medical histories, addresses, phone numbers, and insurance records are valuable to identity thieves, insurance fraudsters, and blackmailers. Even if you were not treated at Sanatorio Delta, family members, children, or elderly relatives who have visited any Argentine healthcare facility could have records stored in shared systems that cascade across providers.

Credential leaks from one breach frequently surface in others, allowing attackers to test the same email and password combinations on banking, government, and social media accounts. For families, a single exposed record can place every household member at higher risk of phishing, account takeover, or doxxing.

The Doxxing and Identity-Chain Implications

Stolen internal files rarely stay isolated. Attackers map connections between email addresses, phone numbers, employee logins, and patient identifiers to build detailed profiles. These identity chains can link your healthcare records to children’s gaming accounts, social media handles, and home addresses. Once assembled, the information is sold or used to launch targeted extortion campaigns that feel deeply personal because they are.

Gaming accounts belonging to you or your children are especially vulnerable in these chains. A leaked credential from a healthcare breach can be tested on Steam, Roblox, or other platforms, leading to account takeovers that expose chat logs, payment methods, and further personal details. Public reporting indicates these doxxing chains accelerate quickly once initial data appears on leak sites.

The Gentlemen Ransomware Group’s Track Record

Public reporting attributes thegentlemen as a ransomware operation that emerged in recent years and has targeted organizations across multiple sectors. Notable prior victims include companies in healthcare, education, and local government, according to trackers such as ransomware.live. The group’s typical playbook involves initial access through phishing or exploited remote services, followed by data exfiltration, encryption of victim systems, and extortion demands backed by the threat of publishing sensitive files. When payments are not received, the group posts samples and eventually larger portions of the stolen data on dedicated leak sites.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity so you can see exactly what chains exist from this claimed breach.
  • Rotate any password you used at Sanatorio Delta or related patient portals anywhere it has been reused, and switch to 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next leak exposing you or your family is caught within hours instead of months.
  • Cover the entire household with DoxxScan family protection, which includes dependents and children’s gaming accounts that often connect back to the same addresses and credentials.
  • Let remediation specialists handle takedown requests and broker removals for you while you focus on securing day-to-day accounts.

The Sanatorio Delta breach is a reminder that healthcare data breaches continue to expose ordinary families to long-term risks that do not disappear when the news cycle moves on. Starting with clear visibility into your personal exposure and taking deliberate protective steps can limit how far any single incident reaches. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts.

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 sample582 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.

Check your exposure
Sanatorio Delta is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

By running your scan you agree to the Terms and Conditions and the Privacy Policy, and to GalaxyWarden emailing you the results of this scan.

Report details & sourcing

Severity High
Disclosed May 24, 2026
Last reviewed August 8, 2026
Affected Unconfirmed
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.
Share this Post on X Reddit Email