Fastest-growing Endpoint Security companies, Q3 2026

Remedio (formerly GYTPOL) provides an AI-powered endpoint security platform focused on device posture management and configuration security. The platform automatically detects and remediates misconfigurations across enterprise endpoints in real time, addressing security gaps that arise from improper device settings.

Island develops an enterprise browser that embeds security, IT controls, data protections, and application access directly into the browsing experience. The company's browser is designed to address enterprise security and productivity needs by integrating advanced security controls, network protections, and IT management capabilities into a single platform rather than relying on external tools.

CrowdStrike is a cybersecurity company that develops and delivers the Falcon platform, a cloud-native security platform designed to consolidate multiple security functions into a single agent and console. The company serves organizations ranging from small businesses to federal government agencies across industries including financial services, healthcare, retail, manufacturing, and education.

• Endpoint security (EPP and EDR)
• Cloud security (CNAPP with agent and agentless protection)
• Next-generation SIEM and security operations
• Identity security and SaaS security (SSPM)
• Threat intelligence and threat hunting

Nucleon Security specializes in advanced cybersecurity solutions, primarily focusing on Endpoint Detection and Response (EDR). Their Nucleon EDR product leverages Zero Trust principles and artificial intelligence for sophisticated malware analysis, threat detection, and prevention.

SentinelOne develops an AI-powered cybersecurity platform designed to protect organizations across their entire infrastructure. The company's platform combines artificial intelligence, data analytics, and cloud technology to provide autonomous security solutions that detect, prevent, and respond to cyber threats.

1stProtect.ai is a cybersecurity company focused on endpoint security through a unified, on-device enforcement platform. Their core offering centers on what they call the SIGMA engine — a single security engine designed to consolidate functions that would otherwise require multiple separate tools.

• The SIGMA engine hosts 22 distinct protection modules under one unified architecture, replacing what the company describes as six separate security…
• Enforcement operates entirely on the host device, with no dependency on cloud connectivity, enabling full functionality in offline, air-gapped, or…
• On-host AI forensics are executed locally on the device using what they term MCP AI forensics, rather than relying on remote processing
• The platform is described as built on open standards

ThreatLocker provides a Zero Trust endpoint security platform that focuses on application control and allowlisting to prevent unauthorized software execution. The platform includes multiple security modules that work together to lock down endpoints and prevent ransomware attacks and other threats.

DefensX is a cybersecurity company that develops a Zero Trust Secure Web Browser extension and related endpoint protection solutions. The company's core product is a cloud-native browser-based security platform designed to protect end-user devices from web-borne threats without requiring on-premises hardware appliances.

iVerify is a mobile security company that provides threat detection and device security management for iOS and Android devices. Its platform is designed to detect advanced mobile threats, including commercial spyware such as Pegasus, as well as compromised device states such as jailbreaking or unauthorized modifications.