ThreatLocker has raised $190 million in a Series F round led by Elephant, with a significant new investment from Koch Disruptive Technologies, the Orlando-based Zero Trust security company said on July 29, 2026. Existing backers D. E. Shaw Ventures and Arthur Ventures also took part. The company says the capital will fund continued development of the controls it already sells against AI-related security risk, further work on its Zero Trust Platform, and an international push that starts with an…