In the world of IoT, where devices communicate seamlessly, it’s crucial to grasp the importance of keeping them on separate networks. This practice is akin to organising rooms in your home to prevent vulnerabilities in one device from affecting others.
In the digital realm, creating these virtual rooms for your IoT devices is a smart strategy, ensuring the security and stability of your interconnected digital life.
Why separate networks matter
Data security is a paramount concern in the realm of IoT. Since devices constantly exchange sensitive information, the potential for data breaches is a significant worry. However, employing a separate network strategy can be a powerful safeguard.
When you keep devices on separate networks, you create a digital barrier that limits the scope of potential breaches. Imagine your smart TV and smart oven are on different networks. If one network is compromised, the hacker can’t easily access the other.
Additionally, a separate network can improve device performance. Since IoT devices often communicate with their respective manufacturers’ servers, network congestion can occur if all devices share one network. Separating them ensures smoother communication and reduces the risk of disruptions, enhancing the overall functionality of your device ecosystem.
FBI’s take on IoT network segmentation
The U.S. Federal Bureau of Investigation, a trusted authority on security matters, formally recommends a practice that aligns with keeping IoT devices on separate networks. Their reasoning behind this guidance is to add an extra layer of security and protection to your digital life.
The core logic is simple — you create an effective defense mechanism by segregating IoT devices into distinct networks. If a hacker compromises one device, it’s challenging for them to move laterally through your network, limiting their access and potential damage.
This additional layer of security shields sensitive data and safeguards against potential threats that could exploit vulnerabilities in one device to reach others. It’s a practical step towards ensuring the safety and privacy of your IoT ecosystem, aligning with the FBI’s recommendation for a safer digital experience.
How to set up a separate network
Creating a new network for your smart devices is easier than you think. Here’s a simplified guide to help you get started:
- Choose your router: You’re all set if you have a dual-band router. Use the 5GHz band for your primary network, like computers and phones, and the 2.4GHz band for your IoT devices.
- Access router settings: Open a web browser and enter your router’s IP address. Log in with your router’s credentials. You can find this information on the router itself and its manual.
- Create a new network: Look for options like “Guest Network” or “Secondary Network.” Create a connection specifically for your smart gadgets. Give it a unique name and password.
- Connect the IoT device: On each product, go to the settings and choose the new network during setup. Enter the unique password.
- Test and monitor: Ensure the machines are functioning correctly. Regularly check for security patches and firmware updates for your device and router.
Practical tips
Changing default credentials is crucial. Always replace default usernames and passwords on your smart devices with strong, unique ones. This simple step prevents attacks from exploiting manufacturer defaults.
Network segmentation is another vital aspect. Most modern routers support Virtual Local Area Networks, allowing you to establish a separate network for your IoT gadgets. This segregation acts as a digital barrier, limiting potential threats.
In addition, you should configure firewall rules to control traffic to and from your IoT devices. Customise these rules to allow only necessary communication, blocking anything else. This tight control prevents unauthorised access.
Lastly, ensure your devices always run the latest firmware and security patches. If available, enable automatic updates to stay protected without manual intervention.
Secure your smart devices today
These security steps are paramount for your IoT devices on a separate network. It shields your digital world from threats and data breaches, providing peace of mind. When you follow these practices and use the recommended tools, you can enjoy the convenience of IoT devices without compromising your security.
Zac Amos is the Features Editor at ReHack. With over 4 years of writing in the technology industry, his expertise includes cybersecurity, automation, and connected devices. For more of his work, follow him on LinkedIn.
