AI Directory | Popular Security AI Websites

$38M Series B (Oct 2024, per company press materials) co-led by Third Point Ventures and DTCP, with on the order of $55M+ total capital raised cited alongside Intel Capital, Vertex, and M12 participation
Positions end-to-end security for autonomous enterprise agents: discovery and inventory, configuration and permission posture, and runtime detection and response tailored to agent actions—not only traditional appsec
Targets agent sprawl across SaaS agent platforms, custom cloud agents, and business applications where static controls miss tool-using, stateful automation
Popular Security inclusion for buyers standardizing on AI-agent governance next to other funded AISPM and agent-defense vendors in the directory

$60M Series B at about $1B valuation (Jan 2026 announcements) for unified code-to-cloud security with autonomous testing agents
Hundreds of thousands of teams and named global brands on public growth messaging
Consolidates SAST, SCA, secrets, cloud posture, and AI-assisted offensive testing into one developer-centric workflow
Popular Security fit next to category leaders for organizations replacing point tools with unified AI-augmented AppSec

$15M seed (2025) led by Decibel and Wing VC for agentic vulnerability triage and automated remediation PRs
High merge-rate narrative for machine-opened security PRs across mainstream Git providers
Targets the GenAI-era bottleneck where scanners proliferate faster than engineering capacity to fix findings
Popular Security inclusion alongside other AI-native AppSec automation vendors in the directory

$51.5M Series A (2026 launch materials) from cyber-focused investors for continuous AI offensive testing of LLM systems
Positions autonomous attacker-style agents rather than static scanners for jailbreaks, exfiltration, and agent abuse chains
Leadership from elite offensive-security backgrounds with fast enterprise traction narratives in public launch materials
Popular Security pick for red-team and AppSec leaders standardizing AI-specific penetration programs

CrowdStrike-backed developer security platform with first-class AI Guard services for LLM prompt and response policy
Composable APIs for PII handling, injection-style abuse detection, and telemetry aligned to OWASP-style GenAI risks
Natural Security peer next to enterprise AI gateways and runtime controls for teams shipping LangChain-class applications
Popular Security inclusion for builders who want guardrails without operating a full custom proxy stack

High-visibility AI security vendor focused on prompt injection and runtime protection for GenAI apps
Commonly cited guardrail layer for teams deploying LLM-powered products in production
Strong market recognition in the emerging application-security segment for AI-native systems
Known brand among builders prioritizing policy enforcement and real-time threat controls for AI

One of the most recognized dedicated AI/ML security platforms for model and pipeline risk reduction
Strong enterprise positioning around securing AI supply chains, model artifacts, and production workflows
Frequently referenced in conversations about practical security controls for modern ML operations
Clear category-defining brand in the fast-growing AI security tooling ecosystem

$37M funding; Gartner Cool Vendor 2024; RSA Finalist; 100+ enterprises
Autonomous AI SOC analyst; Zapier, UiPath; 90% Tier 1 auto-clearance; 3-min investigations

Gartner 2025 NDR recognized; CyberSecurity Breakthrough Award 2025; DOD/Intel customers
Third-wave AI cyber defense; City of Phoenix, Dallas; 93% alert reduction; deploys in 1hr

RSA Innovation Sandbox Winner 2023; Gartner Cool Vendor; 100% attack defense at DEF CON
security platform; backed by Microsoft M12, IBM, Capital One; SOC 2 certified