AWS IoT Device Defender is a security service that helps you secure your IoT devices. It continuously audits your IoT configurations to...
Pricing varies based on usage
Best Device Authority KeyScaler Alternatives ranked by AI · updated Aug 2026
KeyScaler is an IoT security platform for automating device identity, certificate provisioning, key management, and secure data access. It targets manufacturers and enterprises that need cryptographic trust throughout the connected-device lifecycle.
Top 6 Device Authority KeyScaler alternatives
ioTrust is an IoT security platform for organizations that need to identify, authenticate, monitor, and manage connected devices. It focuses on device...
Pros
- Combines device identity and security management in one IoT-focused platform
- Designed for connected-device lifecycle management rather than only network monitoring
- Can support security controls across distributed IoT environments
Cons
- Less widely documented than Microsoft, AWS, and other major IoT security platforms
- Enterprise pricing and deployment details are not publicly transparent
- May provide less mature industrial asset visibility than specialized OT security vendors
Verimatrix Accelerate IoT Security is an enterprise service for protecting connected devices, their identities, and communications throughout the device lifecycle. It is...
Pros
- Combines IoT device security and lifecycle protection in one enterprise offering
- Designed for connected-device manufacturers and service providers
- Backed by Verimatrix's experience in embedded and digital-content security
Cons
- Enterprise sales process makes pricing and self-service evaluation difficult
- Less transparent than cloud-native IoT security services
- Smaller developer ecosystem than AWS or Microsoft alternatives
Nozomi Networks offers an industrial cybersecurity solution that provides real-time visibility and threat detection for OT and ICS networks.
Pros
- Real-time visibility
- Threat detection for OT networks
Cons
- Pricing information not publicly available
Contact for pricing
5
Armis provides an agentless IoT security platform to protect unmanaged and IoT devices from cyber threats.
Pros
- Agentless approach
- Visibility and control over IoT devices
Cons
- Focused on unmanaged devices, may not cover all use cases
Contact for pricing
6
Microsoft Defender for IoT
Microsoft
Microsoft Defender for IoT provides agentless security monitoring for OT and IoT devices. It integrates asset discovery, vulnerability management, threat detection, and...
Pros
- Integrates well with Microsoft Sentinel and Defender security workflows
- Agentless monitoring supports many legacy and unmanaged devices
- Can reduce tool sprawl for organizations already invested in Microsoft
Cons
- Best value usually requires an existing Microsoft security ecosystem
- OT-specific depth may be less focused than Dragos or Nozomi Networks
- Licensing and deployment models can be difficult to compare
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