Ransomware Group: KILLSEC

VICTIM NAME: nfe[.]fazenda[.]gov[.]br

NOTE: No files or stolen information are [exfiltrated/downloaded/taken/hosted/seen/reposted/disclosed] by RedPacket Security. Any legal issues relating to the content of the files should be directed at the attackers directly, not RedPacket Security. This blog is simply posting an editorial news post informing that a company has fallen victim to a ransomware attack. RedPacket Security is in no way affiliated or aligned with any ransomware threat actors or groups and will not host infringing content. The information on this page is fully automated and redacted whilst being scraped directly from the KILLSEC Onion Dark Web Tor Blog page.

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AI Generated Summary of the Ransomware Leak Page

The recent data breach involving the NF-e Portal, categorized under the public sector and based in Brazil, has been associated with the hacker group known as KillSec. The NF-e Portal facilitates the transition from traditional paper invoices to electronic invoices (Nota Fiscal Eletrônica) and is overseen by ENCAT in collaboration with the Federal Revenue of Brazil. The leak was discovered on September 29, 2024, revealing significant details about the vulnerability of the portal, which is designed to support the invoicing process with legal validity. The publication of this leak raises concerns about the security of sensitive information related to electronic invoicing that is utilized across various sectors.

According to the extracted data, a total of 112,226 users may have been affected by this breach, with 42 employees and 25 third-party entities potentially impacted. The webpage associated with the leak includes a screenshot that presents an overview of the exposed information. Furthermore, there are indications of a significant update as of the same day the breach was discovered. The leak provides insight into the vulnerabilities of electronic invoicing systems, highlighting the urgent need for robust cybersecurity measures in public sector organizations. This incident reminds stakeholders of the critical importance of safeguarding sensitive data to prevent unauthorized access and data misuse.

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