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Thursday 29 October 2026 20:10:51 GMT
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![Deep dive into a BYD Seal TCU: from second-hand hardware to crash event forensics 🚗⚒️🔍 Security researcher Romain Marchand recently published a fascinating blog post showcasing an innovative approach in automotive cybersecurity: analyzing an ECU without access to the actual vehicle. His target? A BYD Seal TCU. Romain walks through the entire process — from sourcing a second-hand unit online, to dumping the firmware, and finally extracting GPS logs and GNSS geolocation data. Impressive work on its own. But what makes this truly unique is how he connected the extracted data to a real-world crash event that had been shared on Facebook earlier. A brilliant example of combining hardware hacking, digital forensics, and open-source intelligence. As far as I know, this is the first public English-language report covering BYD TCU internals. If automotive cybersecurity and Chinese EVs are on your radar, this is a must-read. 🔗 [Link to blog post] 👏 Kudos to Romain for sharing such detailed research. https://blog.quarkslab.com/tearing-down-a-car-telematic-unit-and-finding-an-accident-on-facebook.html #AutomotiveCybersecurity #TCU #BYD #EVSecurity #HardwareHacking #DigitalForensics](/video/cover/7699373059899198740.webp)
