Radiant Security
Track on RadarAI-powered SOC platform automating threat detection and response operations
- Total raised
- $15M
- Employees
- 61
- Founded
- 2021
- Momentum
- 49
Cooling
Data updated July 2026
About
About Radiant Security
At a glance
Radiant Security is a cybersecurity company specializing in Security Operations, founded in 2021 and headquartered in San Francisco, United States. It has raised $15M in total funding, employs about 61 people, and is privately held.
Radiant Security provides an AI-driven Security Operations Center (SOC) platform designed to make enterprise-grade security operations accessible and affordable for organizations of all sizes. The company addresses the traditional barriers to building an in-house SOC, which typically requires significant investment in staffing (approximately $1M annually for analysts) and technology infrastructure ($500K-$700K for SIEM, EDR/XDR, and related tools). The platform leverages large language models (LLMs) and contextual reasoning to automate alert triage, investigation, and incident response tasks traditionally performed by Tier-1 security analysts. It ingests and processes thousands of alerts in parallel, filtering out false positives (which typically represent 90% of investigated alerts), clustering related signals into single incidents, and escalating only high-fidelity threats with supporting evidence and reasoning chains. By functioning as a virtual analyst layer, the platform enables organizations to maintain 24/7 security monitoring with minimal human oversight, reducing the need for traditional three-shift staffing models. Security professionals transition from manual log review to supervisory roles, validating AI outputs and handling complex cases that require human expertise. The solution targets mid-sized enterprises and organizations that previously could not afford traditional in-house SOCs or were dissatisfied with outsourced MSSP/MDR services. It provides continuous threat detection and response capabilities within weeks rather than the months typically required to build a conventional SOC.
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FAQ
Frequently asked questions about Radiant Security
When was Radiant Security founded?▾
Radiant Security was founded in 2021.
Where is Radiant Security headquartered?▾
Radiant Security is headquartered in San Francisco, United States.
How much funding has Radiant Security raised?▾
Radiant Security has raised a total of $15M in total funding.
Is Radiant Security public or private?▾
Radiant Security is a privately-held company.
How many employees does Radiant Security have?▾
Radiant Security has approximately 61 employees.