Planning for Security.

The article offers insights on approaching network security in a cost-effective way in 2023. Topics covered include the necessary assumption that network security has already been hacked for simplicity and economy, the sound isolation of building automation systems from the web, a security design that would slow down break-in if the system gets breached. Also noted is the importance of an emergency contact person, up-to-date controller backups, and network diagrams for continuing operations.