windows-itpro-docs/windows/security/operating-system.md

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title	description	ms.reviewer	manager	ms.author	ms.prod	ms.mktglfcycl	ms.sitesec	ms.pagetype	author
Windows operating system security	Securing the operating system includes system security, encryption, network security, and threat protection.		dansimp	deniseb	w10	deploy	library	security	denisebmsft

Windows operating system security

Security and privacy depend on an operating system that guards your system and information from the moment it starts up, providing fundamental chip-to-cloud protection. Windows 11 is the most secure Windows yet with extensive security measures designed to help keep you safe. These measures include built-in advanced encryption and data protection, robust network and system security, and intelligent safeguards against ever-evolving threats.

The operating system security features in Windows 11 include:

• System security
  • Trusted Boot (includes Secure Boot and Measured Boot)
  • Cryptography and certificate management
  • Windows Security app
• Encryption and data protection
  • BitLocker
  • Encryption
• Network security
  • Virtual Private Networks (VPNs)
  • Windows Defender Firewall
  • Bluetooth
  • DSN security
  • Windows Wi-Fi
  • Transport Layer Security (TLS)
• Protection from viruses and threats
  • Microsoft Defender Antivirus
  • Attack surface reduction
  • Tamper protection
  • Network protection
  • Controlled folder access
  • Exploit protection
  • Microsoft Defender for Endpoint