Renesas to support ISO/SAE 21434 standard for automotive MCUs

October 06, 2021 // By Jean-Pierre Joosting
Renesas to support ISO/SAE 21434 standard for automotive MCUs
Cybersecurity management system updates ensure holistic security across entire device life cycle for Renesas automotive MCUs and SoCs.

Renesas Electronics Corporation has announced its full commitment to meet the ISO/SAE 21434 road vehicles cybersecurity engineering international standard for its automotive microcontrollers (MCUs) and system on chip (SoC) products effective with new developments from January 2022. This is part of the company’s continued commitment to implement robust automotive cybersecurity management systems (CSMS) as part of the new UN Economic Commission for Europe (UNECE) regulation UN R155.

The commitment reaffirms to original equipment manufacturers (OEMs) and Tier1 suppliers that Renesas will continue to meet its CSMS responsibilities. All future Renesas automotive MCUs and SoCs will sequentially follow the ISO/SAE 21434 standard with development starting from January 2022. This includes the company’s 16-bit RL78 and 32-bit RH850 MCUs as well as Renesas’ popular R-Car SoC Family.

Both ISO/SAE 21434 (released on August 31, 2021) and UNECE UN R155 require cybersecurity to be enforced across the entire automotive supply chain. Effective July 2022, for new vehicle types, OEMs will be required to have an automotive CSMS in place to ensure that the stringent cybersecurity processes have been implemented to gain vehicle type approval.

“ISO/SAE 21434 is setting the international standard that outlines the requirements for security throughout the entire automotive life cycle, and Renesas has now adopted this standard. We will establish security process with requirement definition by security analysis, implementation and evaluation, utilizing and optimizing existing development process.” said Takashi Yasumasu, Vice President of Automotive Core Technology Development Division at Renesas. “This enables us to provide products and solutions with appropriate risk mitigation measures according to the risk assessment. Renesas aims to be a trusted partner for customers around the world in the face of the growing automotive security threats posed by CASE.”


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