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Do you need a business firewall? What small businesses should know
A plain-language guide on why a dedicated business firewall is a non-negotiable security requirement for modern small businesses.
Cyber6 Team · · Last reviewed · 6 min read

The limitation of home-grade routers
Business owners often rely on the router they got from their ISP. These are designed for basic connectivity, not for security. A true business firewall is a security appliance that inspects traffic, blocks malicious web sites, and secures your network from outside attacks.
Why a business firewall is required
- Traffic inspection: Scans data for threats before it enters your network.
- Filtering: Blocks access to known malicious web sites.
- Secure VPN: Provides a way for your team to work from home securely.
- Activity logs: Tracks who is accessing what, which is useful for security investigations.
Configuration is key
A powerful firewall that isn't configured correctly is just a box. It must be set up to block all traffic by default and only allow what your business needs. This includes blocking unused ports and regularly updating its software.
What to do next
- 01Verify if you are using a dedicated security firewall or a basic ISP router.
- 02Ask your IT provider for an audit of your firewall rules.
- 03Ensure all remote access uses a secure, monitored VPN.
