Microsoft Security

Official Websitewww.microsoft.com/en-us/security
Primary DomainEndpoint Security & Enterprise SIEM
HeadquartersRedmond, Washington, USA
Founded1975
DeploymentOS-Integrated Native Sensor, Cloud-Native Azure Backplane, Cross-Platform Agent

Vendor & Platform Overview

Microsoft Security represents the world's largest cybersecurity provider by telemetry volume, safeguarding over 1 billion devices and processing more than 65 trillion daily security signals. Anchored by Microsoft Defender for Endpoint (MDE), Microsoft Entra ID, and Microsoft Sentinel (cloud SIEM/SOAR), Microsoft provides an integrated, OS-native defense architecture spanning identity, cloud workloads, and endpoints.

Architecture & Detection Telemetry

Microsoft Defender for Endpoint utilizes sensor optics built natively into the Windows operating system kernel, eliminating the stability overhead of third-party kernel drivers while extending cross-platform sensor support to Linux, macOS, iOS, and Android. It leverages local machine learning models, Windows Defender Antivirus client engines, and deep integration with Azure cloud analytics to correlate telemetry across identities, emails, endpoints, and cloud apps.

Mitigated Threat Types & Incident Playbooks

Targeted malware classifications and primary attack vectors defended by Microsoft Security's security stack:

Enterprise Ransomware Campaigns →Browser & Token Infostealers →Macro & Phishing Downloaders →Active Directory Compromise →

SOC Incident Response & Containment Workflow

Recommended operational sequence for security operations teams triaging alerts generated by Microsoft Security:

When Microsoft Defender alerts on suspicious behavior, incident responders leverage Automated Investigation and Response (AIR) to automatically correlate parent alerts into comprehensive incident trees. Responders can execute 'Isolate Device' directly from the Defender Security Portal, trigger Live Response sessions to execute PowerShell investigation cmdlets, and push blocking indicators of compromise (IoCs) across the entire tenant via Defender API.

Enterprise Security Products

Consumer Security Products

Other Products & Solutions

Non-catalog offerings, enterprise IT platforms, and consumer productivity solutions provided by Microsoft Security:

Frequently Asked Questions

What is the difference between Microsoft Defender Antivirus and Microsoft Defender for Endpoint?

Microsoft Defender Antivirus provides local baseline protection (signatures, cloud-delivered malware blocking) built into Windows, whereas Defender for Endpoint (MDE) adds enterprise-grade behavioral EDR, automated incident investigation, threat hunting via KQL, attack surface reduction rules, and centralized SIEM integration.

How does Microsoft Defender stop token theft and credential harvesting?

Defender implements Attack Surface Reduction (ASR) rules, Credential Guard virtualization-based security (VBS) to isolate LSASS memory, and Entra ID Continuous Access Evaluation (CAE) to revoke compromised session tokens in real time.

Can Microsoft Defender protect non-Windows operating systems?

Yes. Microsoft Defender for Endpoint supports macOS, major Linux distributions (RHEL, Ubuntu, Debian, SUSE), Android, and iOS through dedicated enterprise sensors managed through the unified Microsoft Defender portal.