GitGuardian, a leading secrets and Non-Human Identity (NHI) security platform and #1 app on GitHub Marketplace, announced a $50 million Series C funding round led by global software investor Insight Partners, alongside Quadrille Capital and existing investors Balderton, BPI, Eurazeo, Fly Ventures and Sapphire Ventures. The investment fuels GitGuardian's expansion in secrets and AI agent security as organizations grapple with exponential growth in non-human identities.