An unsecured Wi-Fi network is an open door to your business data. For modern offices, the network is the nervous system of operations, yet it remains the most common entry point for cyber threats. Securing it isn't just about setting a password; it's about network architecture.

1. Upgrade to WPA3 Encryption

If your router supports it, ensure WPA3 (Wi-Fi Protected Access 3) is enabled. It provides stronger encryption for password-protected networks than the older WPA2 standard, making it much harder for attackers to crack your credentials.

2. Segregate Guest Traffic

Never allow visitors onto your primary business network. Creating a Guest VLAN (Virtual Local Area Network) ensures that if a visitor's device is compromised, the infection cannot spread to your internal servers or printers.
Pro Tip: Configure your Guest Network to isolate clients, meaning devices on that network cannot communicate with each other, only with the internet.

3. Disable WPS and Hide SSID

Wi-Fi Protected Setup (WPS) is a convenient feature for home users but a significant security hole for businesses. Disable it immediately via your router's admin panel. Additionally, consider hiding your SSID (Service Set Identifier). While not a foolproof security measure, hiding your network name stops casual scanning and reduces your visibility to drive-by attackers.

4. Firmware Management

Router firmware updates often contain critical security patches. Neglecting these updates leaves known vulnerabilities open to exploitation.
  • Set a monthly reminder to check for router firmware updates.
  • If your hardware is End-of-Life (EOL) and no longer receives updates, replace it immediately.

Conclusion

Network security is a continuous process, not a one-time setup. By implementing these protocols, you significantly harden your infrastructure against common wireless threats.