Traditional firewalls filter by IP and port; modern ones add application awareness and TLS inspection trade-offs (privacy and performance).
At minimum, isolate payment terminals, surveillance, and guest traffic from workstations with patient or financial data.
Change management matters—opening “temporary” rules that never close is how holes appear.
Triaging saves money: know the difference between a single bad cable and a design problem.
Backups should align with how you restore—not just how you copy.
VPNs extend the office network—not every app should ride the tunnel forever.
Fast internet at the modem means little if wireless is congested or poorly placed.