Brava Security has emerged from stealth with $15 million in seed funding to address a basic weakness in AI-assisted cyber defense: an automated analyst cannot investigate an attack if the underlying security systems never detect it. The round was led by F2 Venture Capital and Pitango, with angel participation from executives at Anthropic, Microsoft, and Check Point. Brava plans to use the funding for product development and commercial expansion across North America, including opportunities in…