Cybersecurity Companies

Identity and access management platform providing authentication, authorization, and user management for enterprises, with over 19,000 customers including workforce and customer identity.

Cybersecurity company providing cloud risk management, threat detection and response, and vulnerability management to over 11,000 customers.

Leading threat intelligence company providing real-time intelligence from open, dark, and technical sources using AI. Acquired by Mastercard in 2024 for $2.65 billion.

Exposure management platform specializing in vulnerability assessment, cloud security, and attack surface management. Creator of the Nessus vulnerability scanner.

Global edge and cloud company providing content delivery, web application firewall, API security, DDoS protection, and Zero Trust solutions across the world's largest distributed network.

Cloud-native security platform providing container security, Kubernetes protection, and supply chain security. Creator of Trivy, the most popular open source security scanner.

Pioneer of single-vendor SASE, providing converged networking and security through a cloud-native global platform. Founded by Check Point co-founder Shlomo Kramer.

Endpoint detection and response (EDR) and XDR platform using behavioral analytics and the MalOp detection engine to identify multi-stage attacks. Acquired by LevelBlue in 2025.

Network detection and response platform providing real-time threat detection, investigation, and response through deep packet inspection and machine learning.

Web application and data security company providing WAF, API security, DDoS protection, and database security. Acquired by Thales in 2023 for $3.6 billion.

World's largest security awareness training platform providing phishing simulations, security education, and human risk management. Co-founded with Kevin Mitnick.

Cloud-native application protection platform (CNAPP) using patented SideScanning technology for agentless cloud security across AWS, Azure, GCP, and Kubernetes.