Top IoT Security Companies

The global IoT security market is expected to be boosted by growing number of IoT devices around the world and rising complexity of cyber threat landscape. Imposition of stricter data protection, privacy, cybersecurity laws by governments and regulatory bodies around the world is also expected to boost investments in the adoption of advanced IoT security solutions. Increasing shift towards edge computing from centralized clouds is also promoting the adoption of IoT solutions thereby necessitating better IoT security standards. Expansion of smart infrastructure and preference for smart technologies is also making IoT security highly indispensable.

Industry Overview

According to SkyQuest Technology “IoT Security Market By Type of Security (Network Security, Endpoint Security), By Component (Solution, Services), By End-user Industry (Automotive, Healthcare), By Region - Industry Forecast 2025-2032,” Global IoT security market is projected to grow at a CAGR of over 20.3% by 2032, as adoption of edge computing rises and threat vectors evolve, risks of data leaks, operational disruptions, or worst-case safety issues increase. Increasing adoption of smart manufacturing, smart grids, intelligent transportation, smart homes/cities is also forecasted to be a key enabler of IoT security adoption in the future. High popularity of security-as-a-service models and emphasis on outsourcing security operations are also predicted to boost the demand for advanced IoT security solutions.

Top 10 Global IoT Security Companies

1. Cisco Systems Inc.

Cisco’s expertise in networking and cybersecurity technologies, makes it a key player in IoT security business. The company offers a comprehensive suite of tools, including network segmentation, device identity management, and automated threat detection. The company’s IoT Threat Defense architecture secures industrial and enterprise IoT environments against evolving cyber risks. With strong R&D investment and a focus on secure connectivity, Cisco continues to help enterprises build resilient IoT infrastructures that can withstand sophisticated cyberattacks and maintain operational integrity.

2. IBM Corporation

The legacy ICT company has gained massive traction in the IoT security space through its AI-driven IoT protection solutions. The company offers advanced analytics, anomaly detection, and encryption solutions for connected devices through its IBM Security and the Watson IoT platforms. IBM’s AI-powered threat intelligence helps organizations identify vulnerabilities across vast IoT networks. The company also supports industrial and healthcare IoT ecosystems with compliance-ready, cloud-integrated security services. The company is building on its legacy in cybersecurity to emerge as a key provider of IoT security.

3. Intel Corporation

Intel Corporation is known for integration of security directly into its hardware to protect IoT and edge computing environments. Intel’s hardware-based security helps ensure that IoT devices can operate safely, even in untrusted environments. Intel® Hardware Shield, Intel® SGX (Software Guard Extensions), and embedded cryptographic features allow the company to emerge as a key contributor to IoT security advancements and innovations. By merging high-performance computing with embedded protection, Intel delivers a trusted foundation for IoT infrastructure, ensuring resilience.

4. Siemens AG

Siemens provides holistic protection for industrial control systems and connected manufacturing environments through its “Defense-in-Depth” security framework. Its IoT security offerings include network segmentation, identity management, and real-time anomaly detection to defend critical infrastructures from cyber threats. Siemens integrates cybersecurity features into its MindSphere and Industrial Edge platforms to ensure secure data transmission and device integrity. By focusing on industrial resilience, Siemens empowers industries to implement secure digital transformation and protect connected ecosystems from cyber vulnerabilities.

5. Infineon Technologies AG

Infineon Technologies AG is one of the top companies specializing in embedded and hardware-level IoT security. Infineon’s solutions enable secure device identity, data encryption, and firmware integrity validation across connected ecosystems. It partners with OEMs and cloud providers to deliver scalable IoT trust architectures. With expertise in secure elements and automotive cybersecurity, Infineon plays a vital role in enabling trusted IoT communications. Its chip-level protection ensures that security is embedded at the foundation of connected devices, not just layered on top.

6. Broadcom Inc.

Broadcom’s portfolio encompasses network security processors, hardware-based encryption modules, and secure connectivity chipsets for IoT systems. Its Symantec enterprise division enhances device protection through AI-driven network analytics and endpoint defense. Broadcom’s technologies secure large-scale IoT deployments across telecommunications, industrial, and automotive sectors by integrating protection directly into chipsets and network controllers. With a focus on performance, scalability, and end-to-end trust, Broadcom continues to play a critical role in enabling secure IoT operations within high-demand industrial and cloud environments.

7. Fortinet Inc.

The company is an established cybersecurity leader offering extensive IoT security solutions through its FortiGate and FortiNAC platforms. Fortinet’s approach leverages artificial intelligence and integrated security fabrics to monitor connected devices and block suspicious traffic instantly. The company also provides specialized protection for industrial IoT and healthcare IoT infrastructures. With its emphasis on Zero Trust frameworks and unified security management, Fortinet enables organizations to protect critical IoT systems without compromising performance or scalability in connected digital ecosystems.

8. Palo Alto Networks Inc.

Palo Alto Networks Inc. Is a renowned cybersecurity company who gained a reputation for its Zero Trust and cloud-native IoT protection platforms. Palo Alto Networks focuses on secure onboarding, device profiling, and behavioral analytics to prevent lateral attacks. Through AI-driven intelligence and network segmentation, the company helps enterprises secure complex IoT infrastructures across healthcare, energy, and industrial sectors. The company’s solutions, including Prisma Access and Cortex XSOAR, provide deep visibility into IoT networks and automate incident response. Its Next-Generation Firewalls detect and mitigate advanced threats targeting connected devices.

9. Karamba Security Ltd.

Karamba Security Ltd. is known for offering robust automotive and embedded IoT cybersecurity solutions. The company’s offerings safeguard ECUs (Electronic Control Units) and IoT devices against tampering and remote code execution. Karamba’s software automatically integrates into existing hardware, providing seamless security without impacting performance. With its deterministic protection model and focus on embedded resilience, Karamba Security strengthens IoT ecosystems where real-time response and operational safety are paramount.

10. Trend Micro Incorporated

Trend Micro Incorporated is known globally for offering IoT and cloud protection solutions. The company focuses on securing industrial IoT, smart homes, and healthcare devices by combining machine learning, behavior analysis, and centralized visibility. By uniting data protection, device control, and AI-based defense, Trend Micro delivers scalable IoT security. Its Vision One and Trend Micro IoT Security platforms provide real-time threat detection, anomaly monitoring, and endpoint protection for connected devices.

Other Leading Global IoT Security Companies

• Symantec Corporation (USA)
• ARM Holdings (UK)
• Check Point Software Technologies Ltd. (Israel)
• Gemalto NV (Netherlands)
• Sophos Group plc (UK)
• PTC Inc. (USA)
• AT&T Inc. (USA)
• Verizon Communications Inc. (USA)
• Thales Group (France)

Conclusion

The global IoT security market is anticipated to expand at an impressive CAGR but is still constrained by certain factors such as high costs of implementation and lack of standardization. Advancements in machine learning/AI for anomaly detection, behavior analytics, and predictive threat detection are also creating new opportunities for IoT security companies. Growing awareness regarding data breaches and emphasis on enhancing security across multiple verticals ensures sustained demand for IoT security solutions in the long run.