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 Microsoft Defender for IoT Alternatives ranked by AI · updated Aug 2026
Microsoft Defender for IoT provides agentless security monitoring for OT and IoT devices. It integrates asset discovery, vulnerability management, threat detection, and Microsoft security workflows for organizations using Microsoft cloud and security services.
Developer: Microsoft
Price: N/A
🎯 microsoft.com/en-us/security/business/endpoint-security/microsoft-defender-for-iot
Top 6 Microsoft Defender for IoT 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
Sectrio provides cybersecurity products and services for operational technology, industrial IoT, and critical infrastructure environments. Its offerings focus on asset visibility, threat...
Pros
- Combines OT, IoT, and industrial cybersecurity capabilities in one provider
- Supports managed security services for teams with limited specialized staff
- Targets critical infrastructure and industrial environments rather than only enterprise IT
Cons
- Less globally established than Nozomi Networks, Claroty, or Dragos
- Pricing and product scope are not transparently published
- May require more vendor engagement than self-service security platforms
Armis OT Security provides asset visibility, risk assessment, and threat detection for operational technology environments. It is designed for security and operations...
Pros
- Combines OT asset inventory with broader IT, IoT, and cyber exposure context
- Agentless monitoring reduces the need to install software on sensitive industrial devices
- Supports risk prioritization across distributed and heterogeneous environments
Cons
- Enterprise pricing and deployment typically require a sales process
- May provide less OT-specific forensic depth than specialist platforms such as Dragos
- Broad platform scope can require more configuration than a narrowly focused OT monitor
Trend Micro IoT Security helps device manufacturers and service providers protect connected devices throughout their lifecycle. It combines device-level threat prevention, vulnerability...
Pros
- Supports security controls for device manufacturers and connected-device operators
- Combines vulnerability analysis with runtime threat prevention
- Can be integrated into IoT device and gateway architectures
Cons
- Pricing and deployment details generally require a vendor quote
- Less focused on broad enterprise asset discovery than Armis or Forescout
- Implementation can require engineering work for embedded-device integrations
IoT Security is a cloud-delivered platform for discovering, profiling, monitoring, and protecting connected devices across enterprise and operational environments. It uses machine...
Pros
- Integrates with Palo Alto Networks firewalls, Cortex, and Prisma Access
- Combines device discovery, risk scoring, vulnerability assessment, and segmentation guidance
- Uses passive network analysis to profile unmanaged IoT and OT devices
Cons
- Less attractive for organizations without Palo Alto Networks infrastructure
- Requires security expertise to tune policies and investigate device findings
- Pricing is sales-led and can be difficult to compare publicly
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