Washington, D.C.-based AI security provider CalypsoAI has raised $23 million in a Series A-1 financing.

The investment in CalypsoAI was led by Paladin Capital Group, with participation from existing investors Lockheed Martin Ventures. New investors Hakluyt Capital and Expeditions Fund also invested in the Series A-1 round, along with angel investors Auren Hoffman, Anne Wojcicki and Susan Wojcicki also invested.