AI Security
Securing AI/ML systems, models, pipelines, and defending against AI-driven threats.
Manifold
San Diego startup providing AI detection-and-response (AIDR) that monitors autonomous AI agents at runtime on enterprise endpoints.
Voxmind
Early-stage London startup building on-device software to flag AI voice deepfakes on live phone calls in real time.
Natoma
An MCP-focused AI-agent governance startup acquired by Snowflake alongside Observe and Select Star.
Nullify
A San Francisco AI-agent product-security startup (about $16.9M raised) that ships merge-ready fixes.
PromptArmor
PromptArmor is a Y Combinator-backed LLM security and compliance platform focused specifically on prompt injection, the top-ranked vulnerability…
Scalekit
Scalekit provides an OAuth 2.1-based authentication and token-management stack purpose-built for AI agents calling tools and APIs.
Asenion (formerly Fairly AI)
Asenion (formed when Fairly AI acquired Sweden's Anch.AI) is an AI governance, risk and compliance platform built to…
Neuramancer
Bavarian startup building forensic deepfake-detection and attribution tools aimed first at the insurance industry's fraud exposure.
AI Sonar
A Dublin shadow-AI discovery platform, spun out of CloudSphere and acquired by LatticeFlow AI in January 2026.
Trent AI
A seed-stage London startup using multi-agent architecture to secure AI agents across their lifecycle, built by ex-AWS engineers.
Opsin
A San Jose startup that maps what enterprise AI agents like Copilot and Gemini can access, flagging data…
Deepchecks
An Israeli open-source ML validation pioneer acquired by Check Point to validate AI-driven security actions.
Skypher
Skypher uses AI agents to automate the flood of security, privacy, and vendor-risk questionnaires enterprises exchange with each…
White Circle
A seed-stage Paris real-time AI control layer endorsed by senior figures from OpenAI, Anthropic, Mistral, and DeepMind.
Tolmo
A Y Combinator- and Accel-backed San Francisco agentic AppSec startup built by the Sqreen team.
Pi
A 2025-founded agentic AppSec startup backed by CrowdStrike CEO George Kurtz and Armis's founders.
ZySec AI
An Abu Dhabi sovereign, self-hosted AI platform absorbed into Infinia Technologies.
Nebula Security
Nebula Security builds VEGA, an autonomous AI cybersecurity agent that continuously discovers vulnerabilities in codebases, monitors code changes,…
Casco
A Y Combinator-backed San Francisco AI red-teaming platform that maps findings to SOC 2, NIST AI RMF, and…
AironWorks
AironWorks is a Japanese-Israeli startup that built its business on AI-driven phishing simulation and is now repositioning around…
Fabraix
Fabraix builds AI red-teaming agents, led by its product Nyx, that test customer-facing AI systems by directly interacting…
deepidv
A young Toronto-based startup bundling AI identity verification, document fraud checks, and layered deepfake detection into one API.
Agentic Fabriq
Agentic Fabriq provides identity, governance, and visibility infrastructure for AI agents, managing authentication, permission enforcement, and audit trails…
Malloc Inc
Malloc provides AI-driven mobile cybersecurity that monitors and blocks unauthorized data recording or transmission from mobile devices, using…