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Ransomware group Aoqin hits Sistel

MEDIUM
·Technology·BR·2026-11-05

Sistel — a technology target operating in BR has been listed by the Aoqin ransomware group on 2026-11-05. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.

Incident Report

Target OrganizationSistel
Threat Group
Aoqin
SummarySistel, a technology organization in Brazil, was listed by the Aoqin ransomware group on its leak site on 2026-11-05.
Date of Breach2026-11-05
Discovery Date2026-11-05
RegionBR
Target Domain—
Business SectorTechnology
Severity
MEDIUM

Claim by Aoqin

Fundação Sistel de Seguridade Social offers a range of services including previdência (pension plans) and assistência médica (medical assistance) aimed at providing social security solutions. Their intended clients include individuals seeking financial security and healthcare support. The company also provides additional services such as loan simulations and preventive health packages. With a focus on user experience, they ensure access to a network of accredited healthcare professionals and facilities. Status: Not paid. Data publication: 2026-11-12 11:00 UTC. Revenue: $16M. Employees: 1. Data type: clientsData, confidential, personal.

Posted by the Aoqin threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.

Sources

Leak post (onion / Tor)

tor

http://aoqinwwrizxbrwm3qb6l4jzgujgmcetp4jaug7fqylbf3xcwqwzvbuid.onion

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