Glossary · Automotive Cybersecurity
Automotive Cybersecurity: Engineering discipline that protects vehicle electronics, software, and lifecycle data from attackers. Automotive Cybersecurity covers the practices, tooling, and engineering evidence required to design, deliver, and maintain road-vehicle systems against intentional cyber attacks.
Where this matters: Automotive Cybersecurity Engineering
It spans organisational processes (CSMS), vehicle-level analysis (TARA), implementation (secure boot, secure diagnostics, secure communication), validation (penetration testing, fuzz testing), and post-development monitoring (vulnerability handling, incident response). It is anchored by ISO/SAE 21434 and enforced for type approval by UNECE R155 and R156, with regional derivatives such as India's AIS 189 and AIS 190.
Why it matters
Connected and software-defined vehicles concentrate the attack surface across ECUs, in-vehicle networks, OTA channels, and backend services. Without a structured cybersecurity engineering programme, type-approval evidence cannot be produced and field issues cannot be triaged consistently.
Related terms
International standard for road-vehicle cybersecurity engineering across the lifecycle.
Threat Analysis and Risk Assessment — the structured cybersecurity risk method of ISO/SAE 21434.
A Cybersecurity Management System (CSMS) is the organisation-wide set of processes that governs vehicle cybersecurity risk across the full lifecycle.
UN Regulation No. 155 makes a certified Cybersecurity Management System and vehicle-type cybersecurity evidence a precondition for vehicle type approval.
Regulator confirmation that a vehicle type meets specified technical requirements before market entry.
Related pages
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