Artificial intelligence cybersecurity company Adaptive Security announced Wednesday that it closed a $43 million funding round in March, co-led by OpenAI and Andreessen Horowitz.The investment marks OpenAI's first outside backing of a cybersecurity firm.Adaptive Security simulates AI-powered attacks against companies, specializing in training for deepfake attacks and other phishing threats."The technology is getting better and better every day," CEO Brian Long said on CNBC's "Squawk Box." "It's ...