Microsoft Named a Leader in IDC’s 2026 Enterprise Endpoint Security Assessment

Summary
Microsoft says IDC named it a Leader in its 2026 enterprise endpoint-security assessment. The post highlights Defender’s automated attack containment, local-agent discovery, and preview runtime protection against malicious instructions.
Key points
- Microsoft says IDC named it a Leader in the 2026 IDC MarketScape for Worldwide Modern Endpoint Security for Enterprises.
- Microsoft says Defender uses signals across endpoints, identities, email, and cloud to identify multistage attacks and automatically contain affected devices and users.
- Microsoft reports that Defender isolated a device during an active ransomware attack at QNET and stopped a second-stage payload within 128 seconds of the first high-severity alert.
- Local-agent and configured MCP-server discovery is available on Windows and macOS for more than 50 supported agents and servers, according to Microsoft.
- Runtime protection is in preview on Windows and is intended to stop malicious instructions, including prompt injection in files or web pages, before an agent acts.
- Microsoft says Security Copilot agentic AI is generally available and that IDC cited measured gains in alert accuracy and analyst time saved.
- Microsoft Security researchers observed a more than 15% increase in ransomware detonations against enterprises between 2025 and 2026.
Article Details
- Event Type
- IDC MarketScape recognition of Microsoft as a Leader in the 2026 Worldwide Modern Endpoint Security for Enterprises vendor assessment, accompanied by Microsoft’s description of endpoint-security capabilities.
- Impact
- Microsoft says Microsoft Defender uses AI and signals across endpoints, identities, email, and cloud to detect and contain multistage attacks. Microsoft reports that, in a QNET ransomware incident, Defender isolated a compromised device and stopped a second-stage payload within 128 seconds of the first high-severity alert. The article also says agentic AI in Security Copilot is generally available, while runtime protection for local AI agents is in preview on Windows.
Vendors
Products
Microsoft Defender Antimalware Platformreal time, and predictive shielding proactively hardens likely next attacker moves.” Built into Microsoft Defender, attack disruption uses AI and signals from the endpoint and across identities, email, and cloud toMicrosoft SentinelComprehensive signals across your environment: Microsoft Sentinel now provides more than 500 connectors to ingest security-relevant data from across your organization’s digital estate.Security CopilotAgentic AI through Security Copilot is now generally available, with measured gains in alert accuracy and analyst time saved.
