In today’s connected world, embedded devices power everything from medical equipment and automotive systems to smart home appliances and industrial controllers.
While these technologies bring convenience and efficiency, they also introduce critical security risks that can compromise data, safety, and trust. Organizations increasingly rely on top embedded device security auditors to assess vulnerabilities, verify compliance, and strengthen defenses against evolving cyber threats.
This article highlights leading auditors in the field, outlining how their specialized expertise helps manufacturers, startups, and enterprises protect embedded systems throughout the product lifecycle. By understanding their focus areas and proven track records, businesses can make informed decisions when selecting a partner to safeguard their devices and maintain resilience in an interconnected ecosystem.
White Knight Labs operates as a boutique, offense-oriented cybersecurity consultancy that emphasizes realistic adversarial simulation and deep technical work. Their team draws on backgrounds in military special operations, the NSA, and Microsoft to deliver security assessments across networks, applications, and embedded systems, while also offering advisory and compliance services.
In engagements, they aim to tailor each assessment to the client’s objectives, whether that’s meeting regulatory requirements, hardening internal infrastructure, or validating product security. They are also active in security research and training, which helps them stay current with attack techniques and bring that insight back to client projects.
Services & expertise: penetration testing, attack simulation, security assessments, incident response, compliance and advisory, embedded devices, OSINT, AD security assessment, dark web scanning
Location: Guys Mills, Pennsylvania, United States
Founded: 2016
Team size: up to 50 experts
Portfolio: USPlate Glass Insurance Co, Frost Ridge Maple Farm, Harbor Financial Group LLC, US Signal
As one of the top embedded device security auditors carving a niche in the firmware and runtime protection space, Red Balloon Security emphasizes securing devices from within rather than relying solely on perimeter defenses. Their flagship technology, Symbiote, injects itself into device firmware to provide continuous monitoring and self-integrity checks against attacks across industries such as industrial control systems, automotive, and defense.
Red Balloon also maintains a strong research posture, having disclosed architectural flaws in widely used devices (for example, bypasses in Cisco’s secure boot) and collaborating on government-sponsored programs to secure critical infrastructure. Their approach blends academic rigor and operational realism, making them a compelling choice when you hire embedded device security auditors who can deliver both advanced defenses and forensic insights.
Services & expertise: firmware hardening, runtime protection and monitoring, vulnerability assessments, FPGA security, automated hardware reversing, and security consulting for critical systems
Location: New York, NY, United States
Founded: 2011
Team size: up to 50 experts
Portfolio: Aptiv, Cisco, Denso, Hewlett-Packard, Siemens, Rockwell Automation, Rivian, and engagements with U.S. government agencies like DARPA, NAVSEA, and the Department of Defense
Secure-IC is recognized among the best embedded security consultants, offering expertise that spans silicon IP, hardware security modules, and system-level protection. Their solutions cover the full spectrum of chip-to-cloud security, from secure elements and cryptographic cores to tamper resistance and post-deployment monitoring. The company also provides laboratory evaluation services, certification support, and security training.
Through its global footprint and partnerships, Secure-IC supports clients in automotive, IoT, cloud, and defense sectors. The company’s research origins and recent integration into Cadence highlight its role in shaping embedded security standards and practices. This makes Secure-IC a strong choice for organizations seeking long-term, standards-based protection for connected systems.
RunSafe Security delivers embedded security solutions designed to protect software in real time, especially on devices that face memory-based and runtime attacks. Their flagship platform combines vulnerability detection, software transformation (making code harder to exploit), and ongoing monitoring to reduce attack surfaces across critical systems.
They focus heavily on sectors where embedded systems must operate under strict reliability and safety constraints, automotive, medical, industrial control, defense, among others. With funding support (e.g. from BMW i Ventures) and a lean team, they position themselves as a nimble yet technically deep provider when you seek robust embedded security solutions.
Witekio delivers a comprehensive suite of services bridging hardware, firmware, and cloud layers, positioning itself among top embedded device security companies with strengths in secure system integration, long-term maintenance, and embedded software reliability. Their approach emphasizes tailoring solutions across the “chip-to-cloud” continuum to ensure connected products remain robust, updateable, and protected through full lifecycle support.
With over 150 engineers distributed globally and decades of embedded engineering experience, Witekio combines domain knowledge in Linux, Yocto, security features, connectivity, and system architecture to support clients in automotive, industrial, medical, and IoT sectors. Their portfolio in sectors such as aerospace, mobility, and smart systems gives them real-world grounding for projects where security and reliability are critical.
Cardinal Peak is a well-established product engineering firm that supports embedded, hardware, and connectivity domains, positioning itself among the best embedded device security auditors through its integration of security into full product lifecycles. They combine deep experience in firmware, hardware, cloud, and mobile systems to help clients design, validate, and defend connected devices from concept through deployment.
Over more than two decades, Cardinal Peak has delivered hundreds of complex engineering projects, collaborating with clients ranging from startups to Fortune 500s in sectors such as healthcare, industrial automation, consumer electronics, and aerospace. Their ability to blend functional requirements with security constraints makes them a strong choice for embedded systems needing both performance and protection.
Tarlogic is a Spanish cybersecurity firm known for combining deep technical capability with strategic threat analysis. As among the best embedded security consultants, they offer specialized services in IoT / embedded testing and hardware hacking, complemented by reverse engineering and Red Team operations. Their approach integrates offensive techniques and cyber intelligence to uncover hidden vulnerabilities across software, firmware, and infrastructure layers.
Over the years, Tarlogic has expanded beyond its origins in Galicia to serve clients across Europe, the Middle East, and the U.S. Their growth (30 % sales increase in 2023) reflects rising demand for high-assurance security services. Their client engagements span regulated sectors such as finance, energy, telecom, and healthcare, positioning them to tackle complex and sensitive embedded, cloud, and infrastructure challenges.
QualySec is a cybersecurity firm specializing in penetration testing and embedded device security. Their embedded testing services cover firmware analysis, hardware interface probing, and communication protocol assessments. They also provide web, mobile, cloud, and API pentesting, compliance audits, source code review, and security advisory. By delivering embedded security solutions, QualySec helps clients identify vulnerabilities at both the hardware and software levels before attackers can exploit them.
Operating out of India and the USA, QualySec supports global clients across IoT, healthcare, and automotive sectors. The company emphasizes practical, actionable outcomes and collaborates with organizations that need to secure devices at scale. Their client portfolio demonstrates work with enterprises and product companies where embedded systems play a central role.
Embien delivers a broad range of embedded capabilities while also advancing embedded cybersecurity as a core competence. Their services stretch from electronics and firmware development to security audits, secure boot, and over-the-air firmware update mechanisms. With products like Sparklet (GUI library), Flint IDE, and their RAPIDSEA suite, they aim to streamline development of secure, connected embedded systems.
Their client engagements span sectors including automotive, industrial, medical, and defense. Among the projects showcased are instrument clusters for electric vehicles, telematics and IoT gateways, quantum-secure BLE modules, and secure server integration. Their work with OEMs and tier-1s in India and abroad highlights their hands-on experience in delivering security-aware embedded products.
Services & expertise: embedded product engineering, firmware & OS hardening, secure boot/secure firmware updates, IoT security & data protection, security audit & OS hardening, hardware & software co-design, electronics/PCB/FPGA/embedded applications
Location: India (Madurai and other development centers)
INTechHouse offers a broad set of engineering and consulting services across embedded, hardware, and software domains with a particular strength in security evaluation of devices, firmware, and system integrations. Their embedded security services include risk assessments, architecture reviews, penetration testing, compliance auditing (e.g. Common Criteria), and mitigation guidance, enabling clients to validate robustness in critical systems. As one of the firms capable of conducting best device security audits, they emphasize adapting to sector-specific requirements and aligning with international security standards.
Operating from Poland (with presence in the U.S. and Europe), INTechHouse brings a multi-decade track record and a mid-sized team to its engagements. Their work spans sectors such as aerospace, medical, logistics, and mobility. They follow ISO-certified processes and have served global clients requiring embedded systems, hardware design, certification, and compliance support.
Portfolio: Aerospace, medical, logistics, mobility, global mobility/compliance projects
Conclusion
For businesses developing connected products, security cannot be an afterthought. When you hire embedded device security auditors, you gain access to specialists who can uncover vulnerabilities, validate compliance, and strengthen defenses before threats emerge. Partnering with the right auditor helps ensure your devices remain resilient, reliable, and trusted in today’s interconnected world.
If you want to feature your Embedded Device Security Audit company on this list, email us or submit a form in the Top Choices section. After a thorough assessment, we’ll decide whether it’s a valuable addition.
