Rilian
Rilian is a cybersecurity company in McLean, United States, founded in 2024. It has raised $27.5M across 2 rounds, most recently a $17.5M Seed in April 2026.
AI-native defense for sovereign and enterprise security
- Headquarters
- McLean
- Employees
- 11–50
- Founded
- 2024
- Business Model
- B2B
- Website
- rilian.com
- Total Funding
- $27.5M
- Last Round
- $17.5M SeedApr 2026
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 2 investors for this company. The full record is or through the API.
About
Rilian is an agentic systems integrator and AI-native technology provider built for cyber and defense operations. Its flagship platform, Caspian, gives government and enterprise security teams a single command layer across their entire stack, with pre-trained AI agents that deploy into air-gapped, sovereign, and compliance-restricted environments. Founded in 2024 by defense and AI operators, Rilian serves U.S., Allied, and commercial markets.
Summary
It lists 11–50 employees. It has raised $27.5M in total across 2 rounds, most recently a $17.5M Seed round in Apr 2026. Investors include 8VC and Palantir.
Tech & App Stack
3 technologies & apps tracked
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Funding History
Apr 2026
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Funding: Seed. Amounts, valuations, and investors where available.
Investors
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