Automotive Ransomware Attacks Double in a Year

Halcyon reports ransomware became the fastest‑growing cyber threat to the automotive sector in 2025—responsible for 44% of attacks and more than doubling year‑on‑year—driven by exposed connected vehicle platforms, OTA updates, cloud reliance and weak supplier security; the report highlights costly outages (e.g., Jaguar Land Rover) and recommends patching, phishing‑resistant MFA, EDR hardening, immutable offline backups, supply‑chain security controls, and anti‑ransomware behavioral defenses.