Halcyon, a leading platform designed from day one to defeat ransomware, announced it has closed $100M in Series C funding led by Evolution Equity Partners with participation from Bain Capital Ventures, SYN Ventures, Harmony Group, Corner Capital Management, Dropbox Ventures, ServiceNow Ventures and existing investors. The round brings the total amount raised to $190M and values the company at $1B. Evolution Managing Partner Richard Seewald is joining the Halcyon Board of Directors. The funding will be used to accelerate the company's growth and strengthen its position as the leading anti-ransomware platform provider.