https://techcrunch.com/2023/10/25/ai-security-paul-rosen/ > In a post-COVID world, startup investing has grown beyond meeting in Silicon Valley coffee shops to talk business with new projects. This means investors are expanding their horizons to write checks across borders. > As investments grow globally, there’s still a concern stateside for security and making sure the U.S. protects its businesses, meaning it must monitor foreign inflows while still promoting innovation. “In our mandate, national security isn’t specifically defined because in many ways it’s an evolving concept,” Paul Rosen, assistant secretary of the treasury for investment security, said at TechCrunch Disrupt 2023.