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Silmaril

San Francisco, United States
Last funding
Undisclosed
Pre-SeedJun 2026

Silmaril secures enterprise generative AI tools by deploying automated, real-time firewalls to stop complex prompt injection attacks.

Backed byY Combinator

About Silmaril

Who are Silmaril's investors?

Silmaril's investors include Y Combinator.

Where is Silmaril headquartered?

Silmaril is headquartered in San Francisco, United States.

What does Silmaril do?

Silmaril secures enterprise generative AI tools by deploying automated, real-time firewalls to stop complex prompt injection attacks.

What stage is Silmaril at?

Silmaril is at the Pre-Seed stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated .

MLA
"Silmaril — Funding & Investors." VCBacked, June 16, 2026, https://www.vcbacked.co/company/silmaril. Accessed August 13, 2026.
APA
VCBacked. (2026). Silmaril — Funding & Investors. Retrieved August 13, 2026, from https://www.vcbacked.co/company/silmaril
Wikipedia (cite web)
{{cite web |title=Silmaril — Funding & Investors |url=https://www.vcbacked.co/company/silmaril |website=VCBacked |access-date=August 13, 2026}}

Profile data sourced and verified per the VCbacked methodology · Last funding round dated

Founder contacts
m***@silmaril.dev
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