About
Radiant Security, founded in 2021 in San Francisco, USA, provides AI-powered security copilots for Security Operations Centers (SOC), enabling users to leverage AI to boost analyst productivity, detect more genuine attacks, and reduce incident response times.
Full tier & rationale — an SVTR Intelligence benefit
Capital graph
Founders / core team
Investors
Funding history
- 2023-11Series A$15M
Investors · Lightspeed、Next47、Acrew Capital、Uncorrelated Ventures、Jibe Ventures
Source · SVTR Weekly #028
Similar companies· Same sector “Security & Compliance”
Mate
Security & ComplianceMate (Mate Security) is a Tel Aviv-based AI security-operations startup founded in 2025. Its platform is built around a Security Context Graph so autonomous AI agents can detect, triage, investigate, and respond to alerts. It raised a Series A led by Canaan Partners, bringing total funding above $50M.
Legion Security
Security & ComplianceFounded in 2024 in New York, Legion Security provides a browser-native AI security operations center.
Centerseat
Security & ComplianceCenterseat, founded in 2025 in Austin, USA, provides AI-powered software that helps businesses comply with physical security regulations through automated security audits and industry standards monitoring.
Prevalent AI
Security & CompliancePrevalent AI is an AI-powered data fabric company founded in 2017 in London by alumni of GCHQ. Its platform continuously cleans, connects and contextualizes fragmented enterprise data into a sovereign, continuously updated knowledge graph linking assets, identities, vulnerabilities and controls. Components include DataBridge for ingestion, entity resolution, Navigator for AI-driven querying and DataForge for synthetic test data. Everything runs inside the customer's own environment, independent of shared infrastructure or model-provider lock-in. Users include global banks, telcos, insurers and critical national infrastructure operators.
Hydden
Security & ComplianceHydden, founded in 2024 in New York, provides an AI-powered platform that helps security teams continuously monitor user accounts and permissions across on-premises and cloud systems.
Amplifier Security
Security & ComplianceAmplifier Security, founded in 2023 in San Francisco and Atlanta, offers an AI-driven platform that strengthens cybersecurity through automated security issue response.
Investors that may fit
Accel
22 Security & Compliance deals in the last 24 months · 15 at a nearby stage · 17 in 硅谷
Request intro →Y Combinator
22 Security & Compliance deals in the last 24 months · 20 at a nearby stage · 20 in 硅谷
Request intro →Andreessen Horowitz
18 Security & Compliance deals in the last 24 months · 12 at a nearby stage · 16 in 硅谷
Request intro →Cyberstarts
18 Security & Compliance deals in the last 24 months · 9 at a nearby stage · 14 in 硅谷
Request intro →Greylock Partners
14 Security & Compliance deals in the last 24 months · 10 at a nearby stage · 12 in 硅谷
Request intro →Ten Eleven Ventures
14 Security & Compliance deals in the last 24 months · 12 at a nearby stage · 7 in 硅谷
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.