Bishop Ireton High School

Bishop Ireton High School was compromised in a ransomware attack attributed to interlock in November 2025. The organization, operating in an undisclosed sector in Unknown, was added to the group's data leak site as part of an extortion campaign.

interlock operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

https://www.bishopireton.org Bishop Ayrton High School is a Catholic college preparatory school that focuses on spiritual, intellectual, creative, social, and physical development. The school offers an academic program that includes honors courses and dual enrollment programs, as well as a variety of extracurricular activities, such as sports and arts programs. The school helps students and their families receive an education based on Christian principles that prepares them for future challenges. The school supports the Salesian community, which combines learning and service, encouraging students to participate in community service and personal growth.

Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2026-20131, which may have been leveraged as initial access vectors or for lateral movement.