SentinelOne

About SentinelOne

SentinelOne provides an AI-native cybersecurity platform called Singularity. It sells endpoint, identity, cloud, and AI security, plus security operations tools. The platform is built for enterprises, government bodies, and smaller teams. It aims to stop threats at machine speed using autonomous security intelligence. The company also offers managed detection and response, incident readiness, and threat hunting through its Wayfinder services. These services combine human analysts with Google Threat Intelligence and Purple AI. SentinelOne serves many industries, including healthcare, finance, federal government, manufacturing, energy, and transportation. It holds recognition as a leader in endpoint protection and other security markets.

Products

• Singularity PlatformA unified AI-driven security system that brings together endpoint, cloud, identity, and AI protection with a shared data layer and single console.
• Singularity Endpoint SecurityAutonomous endpoint and identity protection delivered through one lightweight agent.
• Singularity IdentitySecurity for human and non-human identities behind every endpoint.
• Singularity MobileReal-time detection and blocking of mobile phishing, malware, and zero-day exploits.
• Singularity Cloud SecurityProtection for cloud workloads across AWS, Azure, GCP, and hybrid environments using agentless scanning and runtime defence.
• Purple AIAn AI security analyst that handles alert triage, investigation, and response using natural language.

Ownership and deals

1. 8 Sept 2025SentinelOne acquired Observo AI for $225mReport on SentinelOne buying Observo AI (opens in a new tab)
2. August 2025SentinelOne acquired Prompt Security for $250mReport on SentinelOne buying Prompt Security (opens in a new tab)
3. January 2024SentinelOne acquired PingSafeReport on SentinelOne buying PingSafe (opens in a new tab)
4. November 2023SentinelOne acquired Krebs Stamos GroupReport on SentinelOne buying Krebs Stamos Group (opens in a new tab)
5. March 2022SentinelOne acquired Attivo Networks for $616.5mReport on SentinelOne buying Attivo Networks (opens in a new tab)
6. February 2021SentinelOne acquired Scalyr for $155mReport on SentinelOne buying Scalyr (opens in a new tab)

Acquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. Funding rounds from 2022 onwards come from Return on Security's weekly Security, Funded newsletter. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.

Companies SentinelOne owns

• Observo AI
• Prompt Security

See companies owned by SentinelOne for the category and head office of each, and the deals behind them.

Other EDR vendors

• Microsoft
• Palo Alto Networks
• Fortinet
• CrowdStrike
• Check Point
• Elastic

See all EDR vendors