The rhysida ransomware group listed St Edmund's College & Prep School on its data leak site on 2023-11-21. Sector: Education Domains named: stedmundscollege.org Claim as published on the leak site: St Edmund's College & Prep School Located in 400 acres of beautiful Hertfordshire countryside, St Edmund's College and Prep School is a safe, stimulating environment for students aged 3-18, with boarding available from age 11.