Insights

Zero Trust Basics for Small Business Networks

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Zero trust sounds complex, but for small businesses it can be simple: never assume a device or user is safe just because it is on the network. Instead, verify access every time and limit what each account can reach. This approach reduces the damage from phishing and compromised devices.

TL;DR

Use MFA, segment networks, enforce least privilege, verify device health, and monitor for unusual access.

Start with identity

Use strong MFA for every user and require stronger methods for admins. If someone cannot pass MFA, they do not get in. This stops the majority of account takeover attempts.

Segment the network

Not every device should see every system. Segment guest Wi-Fi from business systems. Isolate critical servers and limit access to only the staff who need it. Network segmentation can be as simple as VLANs and firewall rules.

Use least privilege

Limit user permissions to the minimum they need to do their job. Separate admin accounts from daily accounts. This way, a phishing compromise does not automatically become an admin compromise.

Verify device health

Devices should be patched, encrypted, and protected by endpoint security. If a device falls behind on updates or fails health checks, block access until it is fixed. This prevents compromised endpoints from spreading issues inside your environment.

Monitor and respond

Zero trust is not just access control. It also requires monitoring for unusual behavior. Use alerts for suspicious sign-ins, unusual data downloads, and failed login attempts. A fast response can stop small issues from turning into major incidents.

Zero trust does not need to be expensive or complex. It is a set of practical controls that reduce risk and improve visibility. If you want help applying zero trust principles to your network, we can build a phased plan that fits your size and budget.