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Silmaril

Security for agents that self-improves

About

Silmaril is the first security for agents that self-improves. 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.

Topics

Location
San Francisco, CA, United States
Team size
2 employees
YC batch
Spring 2026
Status
Active
Stage
Early stage

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Questions and answers

What does Silmaril do?

Security for agents that self-improves

Where is Silmaril based?

San Francisco, CA, United States

How many people work at Silmaril?

2 employees, according to the company profile.

Has Silmaril raised money?

There are no funding rounds for Silmaril in our data.

What are the alternatives to Silmaril?

Similar startups: Vanta, TRM Labs, and Teleport.