Silicon Labs' Secure Vault Becomes World's First IoT Security Solution to Achieve PSA Certified Level 3 Status - Award-winning low power SoCs enable developers to secure IoT products against software and hardware attacks which can compromise intellectual property, ecosystem, brand trust - News provided by Share this article Share this article AUSTIN, Texas, March 16, 2021 /PRNewswire/ -- Silicon Labs (NASDAQ: SLAB), a leading provider of silicon, software and solutions for a smarter, more connected world, officially became the world's first silicon innovator to achieve PSA Certified's highest level of IoT hardware and software security protection. PSA Certified – a respected security body for Internet of Things (IoT) hardware, software and devices co-founded by Arm – awarded PSA Certified Level 3 status to Silicon Labs' EFR32MG21, a wireless SoC with Secure Vault.