Rome's Exein Raises $270M at a $1.7B Valuation to Put Security Inside Physical AI Chips
Financial Times·medium signal
Exein raised $270 million led by Headline at a $1.7 billion post-money valuation, reported by the Financial Times on September 14. Its Photon runtime already ships inside more than 2 billion chips, embedding security at the firmware level in connected devices including cars and home routers. First-half 2026 ARR grew four-fold, making it one of the larger European security rounds tied to the embodied-AI buildout.