The bianlian ransomware group listed Deer Lakes School District on its data leak site on 2023-05-09. Sector: Education Domains named: deerlakes.net Claim as published on the leak site: The Deer Lakes School District is a small, suburban, K-12 public school district near Pittsburgh which covers East Deer, Frazer, and West Deer townships in Allegheny County, Pennsylvania. Deer Lakes School District encompasses approximately 41 square miles.