Adaptive Security, the startup focused on defending organizations against AI-powered cyber threats, has raised an $81 million Series B, led by Bain Capital Ventures with participation from NVentures (NVIDIA), OpenAI Startup Fund, Andreessen Horowitz (a16z), and other strategic investors. The funding brings Adaptive’s total capital raised in 2025 to $146.5 million, underscoring investor confidence in the company’s approach to next-generation cybersecurity. Read More









