Argensoft · Breach

Actor claims free leak of 831,968 people's data tied to Argensoft

Nov 05, 2026 · 1 min read

A threat actor claims on a dark web forum to have leaked for free a database tied to Argensoft, an Argentine developer of management software for private clinics and medical offices. The claim covers 831,968 people, with full names, sex, DNI, date of birth, phone, email and health plan. Reported by DailyDarkWeb, the claim is unverified; clinics using the software should confirm exposure and prepare to notify patients.

By HIFY Radar newsroom Updated 11/05/2026 06:29 AM Get this every day →← Back to the feed 1 source

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In this article

What happened
Why it matters
What to do
For the technical team
Timeline
Sources

What happened

A threat actor claimed on an underground forum to have leaked for free a database tied to Argensoft, an Argentine provider of management software for private clinics and medical offices. The claim covers 831,968 people, with full names, DNI, date of birth, contacts and health plan. The claim is not confirmed.

Why it matters

If confirmed, the mix of DNI, contact details and health-plan data is an easy feed for medical-themed phishing, insurance fraud and identity theft, per DailyDarkWeb's analysis. Clinics using Argensoft software and their patients face the direct risk. There is also reputational and regulatory exposure for the healthcare sector.

What to do

Seek confirmation with Argensoft and check whether the organization's data is in the database. Prepare patient communication and reinforce warnings about medical phishing, insurance fraud and misuse of DNI.

For the technical team

Affected: Argensoft, desenvolvedora argentina de software de gestão para clínicas e consultórios médicos privados; base alegada de · Argensoft, management software for private clinics and medical offices (versions not cited in the sources).
Exploitation: Free-leak claim posted on an underground forum and reported by DailyDarkWeb. The post shows a redacted sample patient-style record. The claim is not independently verified.
Fix: Not applicable to a data leak; no patch or mitigation cited in the sources.
Vector: Not described in the sources; the post does not explain how the database was obtained.
More details: Per DailyDarkWeb's analyst note, a free leak of ~832K Argentine records combining DNI, contact details and health-plan data would be an easy feed for medical-themed phishing, insurance fraud and identity theft. No confirmation from Argensoft in the sources.