Ransomware Group: KILLSEC

VICTIM NAME: Study Gate

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.

AI Generated Summary of the Ransomware Leak Page

On September 25, 2025, a leak post attributed to the threat actor Killsec concerns Study Gate, a US-based organization operating in the Education sector. The page frames the incident as a data-leak rather than encryption of systems and states that all disclosures related to the breach have been published. A claim URL is indicated on the page, suggesting an avenue for ransom-related messaging or negotiation. The victim is described as providing on-demand homework help and online tutoring to high school and college students, with tutors available around the clock across more than 120 subjects, and the organization promotes its official site at studygate[.]com. The post includes 13 images intended to illustrate internal documents or related visuals, though the exact contents of these images are not described in detail. There is no explicit ransom figure provided in the excerpt.

The leak page presents a data-exfiltration scenario, with the text indicating that disclosures have already been published and that interested parties can download the data from the disclosed disclosures. It also notes an option for authorized representatives to engage in negotiations via a session messenger or a negotiations room. The image set attached to the post comprises 13 items, including icons and sample photographs, intended to accompany the write-up. The content focuses on the victim’s educational services, emphasizing its US base and the breadth of subjects supported, rather than detailing the specifics of the stolen data. The post date, used here as the post time of publication, is September 25, 2025 at 14:56:47 (UTC in the dataset).