Dream Security Raises $260M at $3 Billion Valuation to Build Sovereign AI and National Cyber Defense for Governments

Israeli cybersecurity startup Dream raised $260 million in a round led by Bicycle Capital and Group 11, valuing the company at $3 billion, with additional backing from Bain Capital Ventures and Antler. Founded by former NSO Group CEO Shalev Hulio and ex-Austrian Prime Minister Sebastian Kurz, Dream builds three sovereign AI platforms — Sphere for national cyber defense, Hero for autonomous vulnerability research, and Atlas for converting national data into actionable intelligence for governments. The raise brings Dream's total funding to over $410 million, with offices in Tel Aviv, Vienna, and Abu Dhabi.