Paris-based startup Filigran is fast becoming the next cybersecurity rocketship to track: The company just raised a $35 million Series B round, only a few months after it raised $16 million in a Series A round. Filigran’s main product is OpenCTI, an open-source threat intelligence platform that lets companies or public sector organizations import threat data from multiple sources, and enrich that data set with intel from providers such as CrowdStrike, SentinelOne or Sekoia. The open-source versi...