Silmaril

San Francisco, United States

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

Jun 2026

Pre-Seed

Top Investors

Y Combinator

19,000+ verified contacts

Emails, phones & LinkedIn profiles

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 June 16, 2026.

MLA

"Silmaril — Funding & Investors." VCBacked, June 16, 2026, https://www.vcbacked.co/company/silmaril. Accessed June 30, 2026.

APA

VCBacked. (2026). Silmaril — Funding & Investors. Retrieved June 30, 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=June 30, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated June 16, 2026.