The funding round was co-led by RRE Ventures and .406 Ventures with participation from existing investors Techstars Ventures, V1.VC, and Uncork Capital. GreatHorn safeguards cloud email from advanced threats such as individual and brand impersonations, credential theft attempts, malware, ransomware, and other advanced social engineering-based phishing attacks by protecting organizations before, during, and after an email attack. 

Customers (incl. tech. partners*): ?

Active CISO/CSO on the Board of Advisors: ?