Onyx Security raises $113M Series B

Onyx Security provides cybersecurity software that monitors and manages risks in artificial intelligence and machine learning systems. The company announced a $113M Series B on July 29, 2026, from its base in New York, US. Investors and valuation were not disclosed in Crunchbase's round record; Lounge adds them as they are reported. It has raised more than $100M in total venture funding.