Depthfirst, which aims to build a "general security intelligence" for finding and fixing company vulnerabilities, raised an $80M Series B at a $580M valuation (Thomas Brewster/Forbes)

Thomas Brewster / Forbes: Depthfirst, which aims to build a “general security intelligence” for finding and fixing company vulnerabilities, raised an $80M Series B at a $580M valuation — AI cybersecurity firm Depthfirst has scored $120 million in funding to build a kind of “general security intelligence” that can defend against malicious AI.