Best OT & IoT Security Tools

    Compare and discover the best OT & IoT Security software and tools for your team. Find the right solution for your needs.

    Part of: Browser, mobile & IoT
    26 vendors
    Armis logoA

    Armis

    OT & IoT Security
    1 product

    Armis provides agentless IoT security for unmanaged and hard-to-agent devices across enterprise, healthcare, industrial, and critical infrastructure environments.

    Agentless OT and IoT asset discoveryDevice behavior trackingContinuous vulnerability assessment+8
    Censys logo

    Censys

    EASM
    4 products

    Censys provides Attack Surface Management focused on external internet visibility: it continuously scans the public Internet, attributes discovered assets to an organization, and tracks changes in hosts, ports, certificates,

    Continuous internet exposure discoveryFirst-party internet scanningAsset attribution and ownership mapping+9
    Claroty logoC

    Claroty

    OT & IoT Security
    2 products

    Claroty positions its platform for cyber-physical systems and IoT/IIoT security, with deployment options in the cloud as xDome or on-premises as Continuous Threat Detection (CTD).

    Discover and profile connected devicesCentralized asset inventoryExposure management for CPS risk+9
    CyberWhiz logoC

    CyberWhiz

    OT & IoT Security
    1 product

    CyberWhiz builds product-security software for makers of connected devices, covering embedded firmware, mobile apps and device backends, with a focus on regulatory compliance.

    CyberWhiz EmbeddedCyberWhiz MobileCyberWhiz Defence Center+1
    Cynerio logoC

    Cynerio

    OT & IoT Security
    1 product

    Cynerio provides healthcare-focused IoT security for hospitals and other healthcare delivery organizations.

    Discover connected medical and IoT devicesProfile devices with clinical contextPrioritize device risk and vulnerabilities+9
    Dragos logoD

    Dragos

    OT & IoT Security
    4 products

    We make the industry's most intelligent and intuitive cybersecurity platform for Operational Technology (OT).

    OT and IoT asset visibilityNetwork security monitoring for OT environmentsIntelligence-driven threat detection+7
    Exein logoE

    Exein

    OT & IoT Security
    1 product

    Exein provides device-level security for embedded systems and IoT devices using an edge AI-driven approach.

    Real-time device behavior monitoringAnomaly detection and threat neutralizationKernel-level runtime protection+7
    Forescout logoF

    Forescout

    OT & IoT Security
    2 products

    Forescout’s IoT Security offering is an agentless device visibility and control platform for unmanaged IoT, OT, and IoMT environments.

    Real-time device visibilityDevice identification and classificationZero trust network segmentation+9
    Fortinet logoF

    Fortinet

    NGFW
    8 products

    Fortinet’s FortiGate line is the company’s Firewall/NGFW offering, covering stateful firewalling, application control, IPS, web filtering, SSL/TLS inspection, and threat-intelligence-backed blocking.

    Next-generation firewall inspectionIntrusion prevention systemApplication control policies+8
    Frenos logoF

    Frenos

    Pentest & Red Team
    1 product

    Frenos is an operational technology (OT) security company that provides a simulated penetration testing platform for industrial and critical infrastructure environments.

    Digital twin simulationAI-powered attack path analysisOn-premises deployment option+3
    Genians Genian NAC logoG

    Genians Genian NAC

    NAC
    1 product

    Genian NAC is a 4th generation Network Access Control solution from Genians that delivers real-time visibility into IP-enabled devices using Layer 2 Network Sensors connected to broadcast domains, supporting legacy networks

    Real-time device monitoringPre-connect access enforcementContinuous policy compliance control+9
    Insane Cyber logoI

    Insane Cyber

    OT & IoT Security
    1 product

    Insane Cyber specializes in OT security and industrial control system (ICS) protection through its Valkyrie platform.

    Host and network data analysisHost and network data correlationPassive and active asset identification+7
    Microsoft logoM

    Microsoft

    CSPM
    14 products

    Microsoft Defender for Cloud is a unified cloud security platform that provides cloud security posture management (CSPM), cloud workload protection, DevOps security, and AI workload protection across hybrid and multicloud environments including Azure, AWS, and on-premises infrastructure.

    Agentless vulnerability scanningAPI-connected app governanceAPI security+19
    NetWitness logoN

    NetWitness

    SIEM
    4 products

    NetWitness is a comprehensive threat detection and response platform that integrates SIEM, network forensics, endpoint data, and user entity behavior analytics (UEBA).

    Enriched log data analysisAlert correlation across users logs and networkAutomated investigation and response playbooks+8
    Nozomi Networks logoN

    Nozomi Networks

    OT & IoT Security
    1 product

    Nozomi Networks delivers an IoT Security solution focused on passive OT and IoT network monitoring to automate device discovery, asset visibility, and threat detection.

    Automated IoT device discoveryContinuous IoT device monitoringThreat and anomaly detection+7
    OmniTrust logoO

    OmniTrust

    OT & IoT Security
    1 product

    OmniTrust provides security infrastructure for mission-critical IoT and connected devices, focusing on device integrity and secure software delivery.

    Unified cybersecurity for IoT and embedded systemsEnd-to-end visibility across ecosystemsPolicy-driven enforcement+7
    ONEKEY logoO

    ONEKEY

    OT & IoT Security
    1 product

    ONEKEY is a product cybersecurity and compliance platform for manufacturers and operators of connected devices.

    Binary-only SBOM generationFirmware vulnerability managementZero-day detection+2
    Ordr logoO

    Ordr

    OT & IoT Security
    2 products

    We filter out noise and pinpoint critical risks, empowering organizations to safeguard every asset in the cloud, on-premises, or in SaaS environments.

    Discover every connected deviceProfile device risk and behaviorMap device communications+8
    Palo Alto Networks logoP

    Palo Alto Networks

    NGFW
    18 products

    Palo Alto Networks is the world's leading cybersecurity company delivering AI-powered platform-based security solutions for networks, cloud, identities, and security operations across enterprises globally.

    Active-passive firewall high availabilityAI gateway and LLM API traffic routingAI runtime security for autonomous agents+20
    Phosphorus logoP

    Phosphorus

    OT & IoT Security
    1 product

    Phosphorus provides an agentless IoT security platform for connected cyber-physical devices, including IoT, OT, IIoT, and IoMT assets.

    Uses agentless discovery over native device protocols to inventory connected IoT, OT, IIoT, and IoMT assets without deploying endpoint software or relying on active port scanning.Builds device-level inventory with make, model, firmware version, supported status, and other attributes to identify unmanaged and inaccurately classified cyber-physical devices.Assesses default credentials, weak passwords, certificate exposure, known CVEs, KEV/EPSS context, end-of-life status, and misconfigurations across connected devices.+5
    SCADAfence logoS

    SCADAfence

    OT & IoT Security
    1 product

    SCADAfence is an industrial cybersecurity vendor focused on OT and IoT security for large-scale networks, with visibility into ICS/SCADA environments and connected devices.

    OT and IoT network visibilityAutomated asset discovery and inventoryThreat detection for OT environments+9
    SecuriThings logoS

    SecuriThings

    OT & IoT Security
    1 product

    Redefining the way organizations manage and secure IoT devices at scale.

    Real-time device monitoringAutomated device remediationIoT certificate management+9
    Tenable logoT

    Tenable

    Vulnerability Management
    3 products

    We are dedicated to isolating and eradicating the exposures that hold organizations back.

    Vulnerability Priority Rating with threat intelligenceContinuous asset discovery and vulnerability assessmentVulnerability data aggregation from distributed scanners+9
    TXOne Networks logoT

    TXOne Networks

    OT & IoT Security
    2 products

    TXOne Networks is an OT-native cybersecurity vendor focused on protecting industrial and IoT-connected environments such as factories, utilities, and medical/production sites.

    Zero-trust endpoint protectionInline industrial network preventionIndustrial protocol inspection+9
    wolfSSL logoW

    wolfSSL

    Encryption & Key Management
    8 products

    wolfSSL is an embedded cryptography vendor best known for its wolfCrypt engine, wolfSSL TLS library, and wolfHSM key-management framework.

    TLS and DTLS protocol stackAuthenticated cipher suite supportSymmetric cipher implementation+9
    Xage Security logoX

    Xage Security

    OT & IoT Security
    7 products

    Xage Security is a zero-trust access vendor whose IAM offering centers on identity-based access for mixed IT, OT, and edge environments.

    Layered multi-factor authenticationSingle sign-on federationMultiple identity provider orchestration+8

    What is OT & IoT Security software?

    Compare and discover the best OT & IoT Security software and tools for your team. Find the right solution for your needs. With 29 ot & iot security tools listed on Picari, you can compare features, pricing models, and real user experiences side-by-side, without speaking to a single sales rep until you're ready.

    Who needs ot & iot security tools?

    OT & IoT Security software is typically adopted by teams that have outgrown manual processes and need repeatable, scalable workflows. You'll get the most value if:

    • Your team spends more than 5 hours/week on tasks that could be automated
    • You're scaling past 10 team members and need consistent processes
    • You need better visibility into performance metrics and ROI
    • Your current tools don't integrate well with the rest of your stack

    Buying criteria checklist for ot & iot security

    Before committing to a ot & iot security platform, run through this evaluation checklist:

    Does it integrate with your CRM and existing stack?
    What's the total cost of ownership (setup + seats + add-ons)?
    How steep is the learning curve for your team?
    Does it scale with your expected growth over 12–24 months?
    What does onboarding and customer support look like?
    Can you trial it with real data before committing?

    Common mistakes when evaluating ot & iot security tools

    • 1.Buying based on demos alone. A polished demo doesn't reveal how the tool handles your actual data and workflows. Always run a proof-of-concept.
    • 2.Ignoring total cost of ownership. The sticker price is rarely the full cost, factor in implementation, training, integrations, and potential add-on fees.
    • 3.Not involving end users in the evaluation. The people who'll use the tool daily should have a say. Top-down purchases often lead to low adoption.
    • 4.Comparing too many tools at once. Shortlist 2–3 finalists max. Evaluating 5+ tools in parallel leads to decision fatigue and delayed timelines.

    How to evaluate ot & iot security tools on Picari

    Picari is built to help security teams evaluate cybersecurity tools on their terms, no cold calls, no spam, no pressure. Here's how to get started:

    1. Browse and compare, Review features, pricing, and team fit for each tool above.
    2. Start a Briefing, Describe your problem and get a personalised shortlist of vendors in minutes.
    3. Run a Stack Audit, See how a new tool fits alongside what you already use, and identify gaps or overlaps.
    4. Open an Evaluation Room, Collaborate with your team, organize requirements, and message vendors directly, all in one place.

    Not sure which ot & iot security tool fits?

    Start a Briefing to tell us what you're trying to solve, get a shortlist and a stack audit in minutes.

    Top OT & IoT Security tools on Picari (2026)

    Here are some of the most popular ot & iot security tools currently listed on the platform:

    • Armis, Enterprise pricing · Armis provides agentless IoT security for unmanaged and hard-to-agent devices ac…
    • Censys Critical Infrastructure Monitoring, Enterprise pricing · Discovers and tracks industrial control systems, shadow infrastructure, and remo…
    • Claroty, Enterprise pricing · Claroty positions its platform for cyber-physical systems and IoT/IIoT security,…
    • CyberWhiz · CyberWhiz builds product-security software for makers of connected devices, cove…
    • Cynerio, Enterprise pricing · Cynerio provides healthcare-focused IoT security for hospitals and other healthc…
    • Dragos, Enterprise pricing · We make the industry's most intelligent and intuitive cybersecurity platform for…
    • Exein · Exein provides device-level security for embedded systems and IoT devices using…
    • Forescout, Enterprise pricing · Forescout’s IoT Security offering is an agentless device visibility and control…