SentinelOne

SentinelOne is an AI-native cybersecurity platform company headquartered in Mountain View, California, delivering autonomous endpoint protection, cloud security, identity threat detection, and security analytics through its Singularity platform. As of January 31, 2026, SentinelOne reported ARR of $1.119 billion, a 22% year-over-year increase, crossing the $1 billion ARR milestone in late 2025.

Customers with ARR of $100,000 or more grew 18% to 1,667. Non-endpoint solutions—Cloud Security, Identity Threat Detection, and the Singularity Data Lake—account for approximately 50% of new quarterly bookings as of early 2026.

Purple AI, SentinelOne's generative AI security analyst embedded in the Singularity platform, achieved a 40% attach rate on new licenses in late 2025, enabling autonomous threat hunting and incident forensics synthesis across the Singularity Data Lake. SentinelOne also launched Purple AI Athena, described as the first end-to-end agentic AI platform for cybersecurity.

The company acquired Prompt Security and Observo AI in 2025 to strengthen AI security and data pipeline capabilities. Singularity XDR uses patented behavioral AI engines to detect and respond to threats across endpoints, cloud workloads, identities, and data without relying on signature updates.

NYSE-listed (S) with approximately 3,000 employees, holding SOC 2 Type II, ISO 27001, FedRAMP Authorization, PCI DSS, and HIPAA certifications. Named Best Security Company at the 2025 SC Awards Europe.