Cybersecurity for IoT Devices: 7 Tips to Secure the Internet of Things in Business

Internet of Things (IoT) devices are transforming how businesses operate, offering efficiency, automation, and valuable data insights. However, with these benefits come significant cybersecurity risks. For small businesses, securing IoT devices is essential to safeguard sensitive data and ensuring business continuity.

Here are the top seven tips to help businesses protect their IoT devices from potential threats, inspired by insights from industry experts and practical recommendations.

1. Change Default Passwords Immediately

Many IoT devices are equipped with default usernames and passwords, often publicly available and easy for hackers to exploit. Changing these credentials immediately after installation is one of the simplest and most effective ways to enhance security.

Use strong, unique passwords for each device, incorporating letters, numbers, and special characters. Consider using a password manager to increase security and keep track of complex credentials.

2. Regularly Update Firmware and Software

IoT devices often have vulnerabilities that manufacturers patch through firmware or software updates. Neglecting these updates leaves your devices exposed to known security flaws.

Schedule routine checks for updates and enable automatic updates when available to protect your business from emerging threats.

When prompted, always choose to receive your IOT vendor emails that relate to security advisories, patch and firmware updates.

3. Implement Network Segmentation

Network segmentation is a powerful strategy for minimizing risks. By separating IoT devices from your primary business network, you can limit the damage a compromised device can cause.

For example, a best practice is to create a dedicated IoT network and limit access to sensitive data. This diligence ensures that if one device is breached, the rest of your network remains secure.

4. Secure Wi-Fi Networks

Your Wi-Fi network is the backbone of your IoT infrastructure, making its security critical. Start using strong encryption protocols like WPA3 and turn off outdated options like WEP.

Change the default SSID (network name) to something that doesn’t identify your business, and set a robust password. Additionally, consider hiding your network from public view by turning off SSID broadcasting.

5. Enable Two-Factor Authentication (2FA)

Many IoT devices now support two-factor authentication, providing an extra protection layer. With 2FA enabled, even when hackers access your password, they’ll need a second form of verification to breach the system.

As outlined by IoT For All, ‘enabling 2FA will significantly reduce unauthorized access’ and is especially valuable for devices managing sensitive business operations.

6. Conduct Regular Risk Assessments

IoT security isn’t a one-and-done process; it requires ongoing vigilance. Perform regular risk assessments to identify emerging vulnerabilities and weaknesses in your IoT ecosystem.

Examine which devices are connected to your network, assess their security settings, and look for any unusual activity. Vulnerability assessments and security audits can help you identify security weaknesses before they become problematic.

7. Disable Unused Features and Ports

Many IoT devices have features or ports that are not essential for business operations. Unfortunately, these can serve as potential entry points for hackers.

Review the device’s configuration during setup and turn off any unnecessary features, ports, or services. For instance, if a device includes remote access capabilities you don’t need, turning them off reduces exposure to external threats.

Why IoT Security Matters for Small Businesses

Cybercriminals often consider small businesses easier targets because they may lack the security expertise and resources of larger enterprises. However, as the Federal Trade Commission points out in its guide on IoT security, even small steps like changing passwords and updating firmware can make a significant difference.

The financial and reputational damage from an IoT-related breach can be devastating.

Conclusion

IoT devices offer businesses significant value but also introduce risks. These risks can be effectively mitigated by proactive management. Implementing these seven tips can significantly enhance your IoT security posture.

Stay secure, stay vigilant, and let IoT be a tool for growth, not a risk for disruption.

Resources:

“Careful Connections: Keeping the Internet of Things Secure”, Federal Trade Commission

“The Small Business Leader’s Guide to Effective IoT Security”, Safari Solutions

“IoT Security Best Practices: How to Protect IoT Devices”, Fortinet

“Best Practices for Securing IoT Devices”, Hughes

“10 Tips to Secure Your IoT Devices from Hackers”, IoT For All