Compare the Top Free IoT Security Software as of November 2025

What is Free IoT Security Software?

IoT (Internet of Things) security software is designed to protect connected devices and networks from cyber threats, ensuring the confidentiality, integrity, and availability of data transmitted between IoT devices. These tools monitor and secure devices, applications, and networks that are part of the IoT ecosystem, which includes sensors, actuators, smart appliances, wearables, and industrial equipment. IoT security software includes features such as threat detection, data encryption, access control, device authentication, and vulnerability management to mitigate risks from cyberattacks, unauthorized access, and data breaches. It is essential for industries like healthcare, manufacturing, transportation, and smart cities, where the IoT devices are widely used and often contain sensitive or critical data. Compare and read user reviews of the best Free IoT Security software currently available using the table below. This list is updated regularly.

  • 1
    Google Cloud Platform
    Google Cloud Platform provides comprehensive security tools for securing Internet of Things (IoT) devices and networks, including Cloud IoT Core and advanced threat detection features. These services allow businesses to manage IoT data securely and ensure safe device connectivity across their networks. New customers receive $300 in free credits to run, test, and deploy IoT workloads, enabling them to assess GCP’s IoT security offerings and experiment with protecting their IoT ecosystems from emerging threats. GCP's IoT security tools include end-to-end encryption and device authentication to ensure that only authorized devices can connect to the network. The platform also integrates with machine learning tools to detect anomalies in IoT data, providing real-time insights into potential security risks. This comprehensive approach ensures that businesses can secure their IoT devices and data from the edge to the cloud.
    Leader badge
    Starting Price: Free ($300 in free credits)
    View Software
    Visit Website
  • 2
    Azure IoT Hub

    Azure IoT Hub

    Microsoft

    Managed service for bidirectional communication between IoT devices and Azure. Enable highly secure and reliable communication between your Internet of Things (IoT) application and the devices it manages. Azure IoT Hub provides a cloud-hosted solution back end to connect virtually any device. Extend your solution from the cloud to the edge with per-device authentication, built-in device management, and scaled provisioning. Use device-to-cloud telemetry data to understand the state of your devices and define message routes to other Azure services—without writing any code. In cloud-to-device messages, reliably send commands and notifications to your connected devices and track message delivery with acknowledgement receipts. Automatically resend device messages as needed to accommodate intermittent connectivity. Azure IoT Central: Proof of concept isn’t your endgame. We’ll help you build industry-leading solutions with a hosted IoT application platform.
    Starting Price: $10 per IoT unit per month
  • Previous
  • You're on page 1
  • Next