AI Security
Securing AI/ML systems, models, pipelines, and defending against AI-driven threats.
Geordie AI
London-based startup building an agent-native security platform for discovering, monitoring, and governing autonomous AI agents inside the enterprise.
sgnl
SGNL, based in Palo Alto, California, builds continuous identity security technology that governs privilege and access dynamically across…
DataKrypto
Fully homomorphic encryption technology that keeps data and AI models encrypted throughout training, inference, and deployment.
Microsoft (AI Security portfolio)
Major cloud/software incumbent extending its Purview, Defender and Security Copilot products to cover AI-specific data-security, posture and threat-detection…
AIUC
AIUC certifies and insures AI agents, tying an audit standard directly to underwritten coverage for enterprise deployments.
Stacklok
Kubernetes-native, open-source platform for governing and securely running enterprise AI agents and MCP servers.
Realm Labs
AI security startup inspecting model internals — attention patterns and reasoning traces — rather than just prompts and…
Beacon Security
AI-native cybersecurity platform building a trustworthy data foundation and library of specialized security agents for automated detection, investigation,…
Straiker
AI agent security platform covering discovery, adversarial testing, and runtime defense for enterprise AI agents and MCP servers,…
SurePath AI
Denver startup that discovers shadow AI and agentic activity at the network layer; acquired by F5 in 2026…
Harmonic Security
AI-native data protection startup that classifies and blocks sensitive data from leaking into generative AI tools.
Galileo
Galileo is an AI evaluation and observability platform that catches hallucinations, tool-call errors and safety regressions in LLM…
Arize
Arize is a San Francisco-based AI observability company whose platform automatically monitors, troubleshoots, and improves the performance of…
Neo Security
Neo builds a discovery-and-control-plane platform for governing AI agents, MCP servers, and browser extensions as a distinct asset…
Ocean
Ocean is an AI-native email security platform where autonomous agents investigate sender intent and conversation context to catch…
CyTwist
Deductive-AI threat detection engine designed to identify AI-generated and previously unseen malware within minutes using counterintelligence methods.
Dynamo AI
Dynamo AI (formerly DynamoFL) provides enterprise AI security and compliance tooling — DynamoGuard runtime guardrails, DynamoEval red-teaming across…
Acuvity
A GenAI and agent governance startup, acquired by Proofpoint in early 2026.
Netarx
Netarx builds real-time deepfake detection for voice, video, and email communications, aimed at stopping AI-generated social-engineering attacks as…
Corma
Corma is building what it calls the first foundation model purpose-built for defensive cybersecurity — rather than selling…
MITRE
The nonprofit federally funded research center behind ATT&CK, CVE, CWE, and STIX.
NeuralTrust
NeuralTrust is a Barcelona-based AI security startup that builds a Generative Application Firewall and agent-permissioning controls to protect…
Prompt Security (now part of SentinelOne)
Runtime GenAI and agentic-AI security company preventing AI-related data leakage and protecting AI agents, acquired by SentinelOne for…
Ent AI
A San Francisco seed-stage startup building 'intent-aware' AI-native endpoint security, founded by the creators of RiskIQ and Microsoft…