This photo taken on Jan. 11, 2026, shows a view of the Demilitarized Zone (DMZ) observed from the border city of Paju.

Mike Chapple is associate teaching professor of IT, analytics and operations at the University of Notre Dame. A network DMZ likely houses some of the highest-risk servers in a district: those that ...

Mike Chapple is a teaching professor of IT, analytics and operations at the University of Notre Dame. A network DMZ likely houses some of the highest-risk servers in an organization: those that ...