Radiant Security

Radiant Security is an artificial intelligence company in San Francisco, United States, founded in 2021. It has raised $15.0M across 1 round, most recently a $15.0M Series A in November 2023.

Radiant AI SOC Platform | Sophisticated AI defence against AI attacks

Employees
51–200
Founded
2021
Business Model
B2B
Total Funding
$15.0M
Last Round
$15.0M Series ANov 2023
Rounds
1

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 1 funding round and 6 investors for this company. The full record is or through the API.

About

Radiant is the leading AI SOC platform for triage, response, and log management, and describes itself as a pioneer of the AI SOC category delivering the most accurate AI reasoning, the broadest alert-type coverage, and the deepest integration layer in the market. The platform covers both common alert categories and rare, complex, or emerging alert types — including WAF, DLP, Dark Web, and OT/IoT — that other providers leave behind, and it offers logging at $23 per TB to help SOC teams reduce their dependency on a SIEM.

Summary

It lists 51–200 employees. It has raised $15.0M in total across 1 round, most recently a $15.0M Series A round in Nov 2023. Investors include N47, Lightspeed Venture Partners and Acrew Capital.

Tech & App Stack

8 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Data from Indexed.vcUpdated
Series ASeries ANov 2023
$15.0M

Investors

Similar Companies

PalantirIPO

Palantir Technologies builds data integration and analytics platforms (Gotham and Foundry) for go...

Denver, United States1001–5000Analytics, Artificial Intelligence
Private EquityTotal funding$3.1BJul 2020
Cyera

Cyera provides an AI-powered data security platform that helps security teams discover, control, ...

New York, United States201–500Artificial Intelligence, Cybersecurity
Extension RoundTotal funding$2.8BSep 2026
Dataminr

Real-time AI platform that detects early signs of high-impact events and emerging risks from publ...

New York, United States501–1000Analytics, Artificial Intelligence
ConvertibleTotal funding$1.6BApr 2025
OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artifi...

San Francisco, United States5001–10000Artificial Intelligence, Generative AI
Corporate RoundTotal funding$179.6BMar 2026
Anthropic

Anthropic develops reliable, interpretable, and steerable AI systems, translating frontier safety...

San Francisco, United States1001–5000Artificial Intelligence, Generative AI
Series G+Total funding$123.7BMay 2026
xAI

xAI builds AI systems, including Grok, with frontier reasoning, voice, and generative media capab...

San Francisco, United States201–500Artificial Intelligence, Generative AI
Series ETotal funding$47.4BJan 2026

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Radiant Security on Indexed.vc
<a href="https://indexed.vc/companies/radiant-security"><img src="https://indexed.vc/api/badge/company/radiant-security" alt="Radiant Security on Indexed.vc" width="260" height="76" /></a>