Silicon Labs Extends IoT Security Leadership with World's First PSA Level 4 Certification
Silicon Labs (NASDAQ: SLAB) has achieved a significant milestone by becoming the first company to receive PSA Level 4 certification for its Series 3 Secure Vault security subsystem on the SiXG301 SoC. This certification, the highest level recognized by PSA Certified, validates the system's resilience against sophisticated physical attacks including laser fault injection, side-channel attacks, microprobing, and voltage manipulation.
The company collaborated with Keysight Technologies for validation testing, and the SiXG301 SoC is expected to be commercially available in Q3 2025. Built on a 22 nm process node, the Series 3 platform enhances Silicon Labs' security capabilities and helps device makers comply with new global regulations, including the EU's Radio Equipment Directive (RED) and CRA, US Cyber Trust Mark, and Singapore's Cybersecurity Labeling Scheme.
Silicon Labs (NASDAQ: SLAB) ha raggiunto un traguardo importante diventando la prima azienda a ottenere la certificazione PSA Livello 4 per il suo sottosistema di sicurezza Series 3 Secure Vault sul SoC SiXG301. Questa certificazione, il livello pi霉 alto riconosciuto da PSA Certified, attesta la resistenza del sistema contro attacchi fisici sofisticati come l'iniezione di guasti laser, attacchi side-channel, microprobing e manipolazione della tensione.
L'azienda ha collaborato con Keysight Technologies per i test di validazione, e il SoC SiXG301 sar脿 disponibile commercialmente nel terzo trimestre 2025. Basata su un processo a 22 nm, la piattaforma Series 3 potenzia le capacit脿 di sicurezza di Silicon Labs e supporta i produttori di dispositivi nel rispetto delle nuove normative globali, tra cui la Direttiva europea sulle apparecchiature radio (RED) e CRA, il Cyber Trust Mark degli Stati Uniti e il Cybersecurity Labeling Scheme di Singapore.
Silicon Labs (NASDAQ: SLAB) ha alcanzado un hito importante al convertirse en la primera empresa en obtener la certificaci贸n PSA Nivel 4 para su subsistema de seguridad Series 3 Secure Vault en el SoC SiXG301. Esta certificaci贸n, el nivel m谩s alto reconocido por PSA Certified, valida la resistencia del sistema frente a ataques f铆sicos sofisticados, incluyendo inyecci贸n de fallos l谩ser, ataques de canal lateral, microsondeo y manipulaci贸n de voltaje.
La compa帽铆a colabor贸 con Keysight Technologies para las pruebas de validaci贸n, y se espera que el SoC SiXG301 est茅 disponible comercialmente en el tercer trimestre de 2025. Construida con un nodo de proceso de 22 nm, la plataforma Series 3 mejora las capacidades de seguridad de Silicon Labs y ayuda a los fabricantes de dispositivos a cumplir con las nuevas regulaciones globales, incluyendo la Directiva de Equipos Radioel茅ctricos (RED) y CRA de la UE, el Cyber Trust Mark de EE. UU. y el Esquema de Etiquetado de Ciberseguridad de Singapur.
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Silicon Labs (NASDAQ : SLAB) a franchi une 茅tape importante en devenant la premi猫re entreprise 脿 obtenir la certification PSA Niveau 4 pour son sous-syst猫me de s茅curit茅 Series 3 Secure Vault sur le SoC SiXG301. Cette certification, le niveau le plus 茅lev茅 reconnu par PSA Certified, valide la r茅sistance du syst猫me contre des attaques physiques sophistiqu茅es telles que l'injection de fautes laser, les attaques par canal auxiliaire, la microsondage et la manipulation de tension.
L'entreprise a collabor茅 avec Keysight Technologies pour les tests de validation, et le SoC SiXG301 devrait 锚tre disponible commercialement au 3e trimestre 2025. Con莽ue sur un proc茅d茅 22 nm, la plateforme Series 3 renforce les capacit茅s de s茅curit茅 de Silicon Labs et aide les fabricants d'appareils 脿 se conformer aux nouvelles r茅glementations mondiales, notamment la directive europ茅enne sur les 茅quipements radio (RED) et CRA, le Cyber Trust Mark am茅ricain et le Cybersecurity Labeling Scheme de Singapour.
Silicon Labs (NASDAQ: SLAB) hat einen bedeutenden Meilenstein erreicht, indem es als erstes Unternehmen die PSA Level 4-Zertifizierung f眉r sein Series 3 Secure Vault-Sicherheitssystem auf dem SiXG301 SoC erhalten hat. Diese Zertifizierung, die h枚chste von PSA Certified anerkannte Stufe, best盲tigt die Widerstandsf盲higkeit des Systems gegen komplexe physische Angriffe wie Laser-Fehlereinbringung, Seitenkanalangriffe, Mikrosondierung und Spannungsmanipulation.
Das Unternehmen arbeitete mit Keysight Technologies bei der Validierungstestung zusammen, und der SiXG301 SoC wird voraussichtlich im dritten Quartal 2025 kommerziell verf眉gbar sein. Die Series 3-Plattform, hergestellt im 22-nm-Verfahren, verbessert die Sicherheitsfunktionen von Silicon Labs und unterst眉tzt Ger盲tehersteller dabei, neue globale Vorschriften einzuhalten, darunter die EU-Funkger盲te-Richtlinie (RED) und CRA, das US Cyber Trust Mark sowie das Cybersecurity Labeling Scheme von Singapur.
- First company globally to achieve PSA Level 4 certification, demonstrating security leadership
- Series 3 platform built on advanced 22 nm process node
- Product helps customers comply with new global security regulations
- Security system designed to protect against future threats for over a decade
- SiXG301 SoC not yet commercially available until Q3 2025
Insights
Silicon Labs achieves unprecedented PSA Level 4 certification, establishing market leadership in advanced IoT security against sophisticated physical attacks.
Silicon Labs has achieved a significant industry milestone with the world's first PSA Level 4 certification for their Series 3 Secure Vault on the SiXG301 SoC. This isn't just another incremental security improvement鈥攊t represents a quantum leap in embedded device protection. PSA Level 4 specifically validates resilience against sophisticated physical attacks including laser fault injection, side-channel analysis, microprobing, and voltage manipulation鈥攁ttack vectors previously considered theoretical but now emerging as real threats.
What makes this achievement particularly notable is the technical complexity required to reach this certification level. Unlike lower PSA certifications that focus primarily on software security, Level 4 demands sophisticated hardware-level protections integrated directly into the silicon. The independent validation by Keysight Technologies鈥攁 recognized leader in security testing鈥攁dds significant credibility to this certification.
The timing of this announcement is strategically valuable as it coincides with the implementation of the EU's Radio Equipment Directive (RED) which took effect August 1, 2025. By achieving PSA Level 4, Silicon Labs positions its customers to more easily meet these regulatory requirements鈥攃reating a compelling competitive advantage when IoT manufacturers are scrambling to ensure compliance.
Looking at market implications, this certification reinforces Silicon Labs' leadership position in the secure IoT space, particularly for applications requiring high security assurance such as industrial automation, critical infrastructure, and medical devices. The emphasis on future-proofing against emerging threats demonstrates a long-term security vision that will likely resonate with customers designing products with 10+ year lifecycles.
The new 22nm process node underlying the Series 3 platform suggests substantial improvements in performance and power efficiency beyond just security enhancements, though specific metrics aren't detailed in this release. With general availability targeted for Q3 2025, Silicon Labs is establishing an early technical leadership position in next-generation secure IoT solutions.
Series 3 Secure Vault, debuting on the SiXG301 SoC in the next-gen Series 3 lineup, achieves highest security certification for advanced IoT protection
"Security isn't just a feature 鈥� it's foundational to everything we develop," said Matt Johnson, President and CEO of Silicon Labs. "Being the first to achieve PSA Level 4 certification is a powerful validation of our leadership in IoT security and our focus on accelerating IoT growth."
Raising the Bar: PSA Level 4 Certification
PSA Certified introduced the Level 4 certification and its two designations, iSE/SE for secure elements and ROT for Root of Trust, to address the rising complexity and sophistication of physical attacks on embedded devices. Unlike previous levels, Level 4 validates resilience against laser fault injection, side-channel attacks, microprobing, and voltage manipulation 鈥� threats once considered theoretical but now part of the evolving reality.
Silicon Labs has consistently led the industry in achieving PSA milestones. Its certification, establishing new benchmarks in protection against physical tampering and setting the stage for this next leap to Level 4. Silicon Labs SoCs were also the industry's first to reach PSA Levels 1 and 2.
Silicon Labs collaborated with , a market-leading design, emulation, and test solutions company with renowned test and evaluation labs to validate Secure Vault on Series 3 for PSA Level 4. Their experts noted the seamless partnership with Silicon Labs' engineering team, who demonstrated deep technical expertise and adaptability throughout the audit process.
"Keysight is proud to have supported Silicon Labs in achieving the world's first PSA Level 4 certification," said Marc Witteman, Technical Director, Keysight Device Security Testing at Keysight Technologies. "Our advanced testing methodologies, including side-channel analysis and fault injection, were instrumental to validating the Series 3 Secure Vault on the SiXG301's resilience against today's most sophisticated threats. This milestone reflects our commitment to helping innovators like Silicon Labs meet the highest levels of security assurance and regulatory readiness in a rapidly evolving IoT landscape."
Future-Proofing Through Security-First Engineering
The Series 3 Secure Vault and the SiXG301 SoC's resilience aren't just about meeting today's standards 鈥� it's about anticipating future threats. The security subsystem and SoC were engineered to endure over a decade in the field, with industry-leading defenses against threats not yet commonplace. When combined with over-the-air firmware and software updates and real-time monitoring, Series 3 Secure Vault and the SiXG301 exemplify security as an ongoing lifecycle, not a one-time event.
Silicon Labs' , built on a 22 nm process node, is an industry leader in security and builds upon Silicon Labs' award-winning Series 2 security legacy and scales it with PSA Level 4 capabilities. All Series 3 devices are planned to feature this industry-leading enhanced security foundation, with the SiXG301 expected to be the first to market with PSA Level 4 certification when it becomes generally available in Q3 2025.
Enabling Compliance Around the World
As governments around the globe enact new regulations 鈥� such as the EU's Radio Equipment Directive (RED) and CRA, the US Cyber Trust Mark, and
With the EU's RED regulations now in effect as of August 1, 2025. Silicon Labs' Secure Vault 鈥� when properly implemented 鈥� delivers the features needed for compliance. Developers can for an upcoming webinar, , to learn how to integrate RED-ready security into their products.
To learn more about how Silicon Labs is pioneering security-first design and helping device makers and future-proof their solutions, visit:
About Silicon Labs
Silicon Labs听Silicon Labs (NASDAQ: SLAB) is the leading innovator in low-power wireless connectivity, building embedded technology that connects devices and improves lives. Merging cutting-edge technology into the world's most highly integrated SoCs, Silicon Labs provides device makers with the solutions, support, and ecosystems needed to create advanced edge connectivity applications. Headquartered in听Austin,听Texas, Silicon Labs has operations in over 16 countries and is the trusted partner for innovative solutions in the smart home, industrial IoT, and smart cities markets. Learn more at听.
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