Sublime Security

Sublime Security is an email security vendor founded by Joshua Kamdjou and Ian Thiel. The company builds an agentic email security platform with Detection-as-Code (Message Query Language), autonomous AI agents for triage and detection engineering, and explainable, auditable verdicts, sold to in-house security and detection-engineering teams at enterprises. Sublime raised a $150 million Series C financing round, following an earlier $60 million Series B led by IVP.