Does a Small Business Really Need a Firewall? A Practical Guide to Firewall Roles, Selection and Deployment for SMBs (2026)
With only a few dozen employees, is a firewall really necessary? Can’t a router do the job? The answer: if you run internal systems, expose services to the internet, or care about data security, a firewall is not optional — but don’t let anyone talk you into heavy enterprise hardware either. This guide explains, by company size, what a firewall actually blocks, why a router is not a firewall, how SMBs should approach selection and deployment, and the biggest pitfall of all: installing one does not mean you are secure — seventy percent of it comes down to configuration.
