Ransomware Group: INTERLOCK

VICTIM NAME: Madison School District Schools

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 INTERLOCK Onion Dark Web Tor Blog page.

AI Generated Summary of the Ransomware Leak Page

The ransomware leak pertains to the Madison School District in the United States, an educational organization committed to providing high-quality academic experiences. The organization employs between 250 and 499 staff members and generates an annual revenue ranging from 10 million to 25 million USD. The district is based in Phoenix, Arizona, and operates under the domain madisonaz.org. The leak directly impacts their digital infrastructure, potentially compromising sensitive data associated with their operations.

The leak was discovered on April 25, 2025, approximately one minute after it was published online. The document includes a screenshot that appears to depict internal information and the presence of download links or data leaks, indicative of data exfiltration by malicious actors. The content emphasizes the severity of the cyber incident and indicates the attackers’ intent to threaten or extort the victim organization. Given the nature of the leak, affected data might include internal communications, organizational details, or other non-sensitive operational information, but explicit PII or confidential data is not publicly exposed in the leak.

The ransom note highlights the intervention of a hacking group known as ‘interlock,’ and the attack appears to have involved the deployment of an info stealer, which typically extracts organizational data. While no specific personal or sensitive details have been disclosed, the incident underscores the ongoing cybersecurity risks faced by educational institutions. The presence of a leak webpage with links to leaked data and screenshots of internal documents indicates a serious security breach requiring immediate attention to mitigation and response measures.