PlaxidityX Partners with TIER IV to Align Autonomous Vehicle Software with UN-R155 Regulations

As the development of autonomous vehicles gains momentum, ensuring the safety and security of these vehicles has become a top priority. One key aspect of this is compliance with regulatory requirements, such as the United Nations Economic Commission for Europe's Regulation No. 155 (UN-R155), which sets out the requirements for the protection of vehicle electrical and electronic systems against cyber threats. In a recent collaboration, PlaxidityX, a trusted expert in automotive cybersecurity, has partnered with TIER IV, a leading developer of open-source software for autonomous driving, to align TIER IV's software with the UN-R155 regulations.

Key Takeaways:

  • PlaxidityX provided cyber security consulting services to TIER IV, a pioneering force behind open-source software for autonomous driving, to ensure compliance with UN-R155 regulations.
  • TIER IV was selected for a government project to develop low-speed autonomous buses for a field trial in Japan, which required compliance with UN-R155 and ISO/SAE 21434 standards.
  • PlaxidityX performed a gap analysis of TIER IV's current cyber security status and created a customized package of services to address the identified gaps, including developing a cyber security plan and ongoing cyber security activities.
  • The project was completed over a three-month period, and all deliverables were submitted to TIER IV to support their preparations for review from the airport authorities.
  • TIER IV has contracted PlaxidityX to assist in the implementation of a Cyber Security Management System (CSMS) to ensure ongoing compliance with cyber security regulations and standards.
  • PlaxidityX's team, with local cyber experts in Japan, ensured quick response to TIER IV requests, smooth communications, and timely delivery of work materials.

Statistics:

  • 80 granted and pending patents for PlaxidityX's innovative cyber security methods and technologies.
  • 3 months: duration of the collaboration between PlaxidityX and TIER IV.
  • 100%: completion rate of PlaxidityX's services, with all deliverables submitted to TIER IV on time.

Sources:

  • [PlaxidityX press release, May 20, 2025]
  • [TIER IV website, about page]
  • [PlaxidityX website, about page]