AI security companies in the United States

Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats.

Tempe, Arizona-headquartered offensive security firm and Black Hat / DEF CON regulars, makers of the Cosmos continuous attack surface management platform.

Denver-based offensive security boutique with a community-first red team culture. Home of PTES co-authors and the Continuous Red Team retainer.

Denver-based boutique pen testing firm with senior-only testers. Personalised engagements across penetration testing, red teaming, and vulnerability management.

AppOmni provides a platform to secure SaaS applications and AI environments for enterprises.

Employee-owned research firm testing embedded systems, including vehicle infotainment, telematics units and CAN networks.

Provides cybersecurity awareness, AI readiness, and compliance training to employees through managed service providers.

Cequence Security protects applications, APIs, and AI agents from attacks and abuse.

Cyberhaven provides a data security platform that traces data lineage to protect information across human and AI workflows.

Cyera provides a data security platform that discovers and protects sensitive data across cloud environments.

Darwinium provides edge-based intent intelligence to prevent digital fraud and abuse across customer journeys.

DataBahn provides an agentic data control plane for managing and optimizing enterprise telemetry.

Diopter AI sells software that watches live video and voice calls for signs of AI-driven social engineering.

Drata provides a platform that automates security compliance, risk management and trust assurance for companies.

Telemetry pipelines that route, enrich and transform security and observability data to SIEMs and other destinations, plus AI agents for site reliability work.

Endor Labs provides an agentic application security platform for AI-generated and open source code.

Harness provides an AI-native software delivery platform for DevOps, testing, security, and cost optimization.

KnowBe4 provides a platform for security awareness training and AI agent security to reduce human risk.

Legit Security provides application security for AI-generated code and software development.

Mend.io provides application security and AI security software for code and AI systems.

Netarx provides real-time deepfake detection across video, voice, email and messaging for businesses.

Obsidian Security provides security for third-party applications and AI agents.

Provides a platform for managing cryptographic trust across devices, systems and AI.

Audit, risk and compliance software, formerly AuditBoard, with controls management, cyber risk management, third-party risk, regulatory compliance and AI governance products.

Paravision builds identity AI software.

Pindrop provides deepfake detection and identity verification for voice and video interactions.

Private.Me provides identity infrastructure for AI agents and machine-to-machine systems.

Salt Security provides a platform to discover and secure AI agents, MCP servers, and APIs.

Saviynt provides identity governance and security for human and non-human identities across applications and data.

Securiti provides a platform for data security, privacy, governance and compliance across hybrid multicloud environments.

Sentra provides data security solutions to discover and protect sensitive data from AI applications.

Sevii provides an autonomous defense and remediation platform that stops cyber adversaries without human intervention.

Siemba provides autonomous and expert-led penetration testing for security teams.

Sysdig provides cloud security built on the open-source Falco project, with an emphasis on runtime detection inside running workloads.

Wiz provides a cloud and AI security platform that connects code, cloud, and runtime for risk reduction and threat response.

Provides a data and AI security platform built on confidential computing to protect data in use.

Third-party management and tech risk and compliance software, alongside privacy automation, consent management and AI governance tools.

TigerByte Cyber provides cyber hardening for AI and edge devices in mission-critical environments.

Wallarm provides an AI security and API security platform for enterprises running AI on AWS.