Yes. A properly configured firewall is still one of the basic controls required for Cyber Essentials. It blocks unwanted traffic between the internet and your network and devices. Most businesses today need two kinds:
- a firewall on the office router or network
- firewall protection on every laptop, because staff work from home and on public Wi-Fi
A firewall is only one layer. It works alongside MFA, updates, antivirus and staff awareness.
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