Silmaril
YC Sp26Prompt injection defense that is self-healing
San Francisco, CA, USAFounded 20262 employeessilmaril.dev
Founded
2026
About
Silmaril is self-healing prompt injection defense for AI native applications and agents. It understands application context to block 2x as many threats as current SOTA defenses with 10x lower latency. Customers plug us into agentic frameworks like LangGraph with 5 lines of code. Silmaril has stopped $28M of damages for customers.
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Security Dev Tools
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