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Protect against unwanted or harmful applications and safeguard business information. App Control for Business 3 allows only approved apps to be installed on PCs, while BitLocker protects against data loss and theft, even on lost or stolen devices.
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Memory integrity, or hypervisor protected code integrity (HVCI), uses an isolated virtual environment to shield core processes against malware.
Protect your business with Windows 11 security features
Windows 11 is secure by design and secure by default, with hardware-backed protection against cyberthreats and a reported 62% drop in security incidents. 1
Hardware-backed security
Provide out-of-the box protection with layers of tightly integrated software and hardware safeguards enabled by default.
Security by default
Shield your business with the latest hardware-backed protection built in and enabled, including TPM 2.0, Trusted Boot, virtualisation-based security, malware protection and encryption in Windows 11 Pro. For the most advanced Windows protection, Copilot+ PCs come with Secured-core PC safeguards and Microsoft Pluton.
Shield identities anywhere
Defend against cyberthreats with the latest credential safeguards for better peace of mind, including biometric sign-in with Windows Hello for Business. For added protection, Copilot+ PCs come with Windows Hello Enhanced Sign-in Security (ESS). 2
Microsoft Pluton
Integrated into the CPU, the Pluton security processor shields credentials and other sensitive data with powerful hardware-based root of trust. Updated via the Windows Update Service, Pluton supports zero-trust workflows on many new Windows 11 PCs, including Copilot+ PC.
Secured-core PCs
Secured-core PCs come with the advanced security features of Windows 11 turned on, protecting your most sensitive data from advanced firmware-level attack. These devices are recommended for people handling sensitive data like intellectual property, financial records or classified information.
Operating system protection
Keep data secured with built-in protections such as advanced encryption, robust network and system security and intelligent safeguards against ever-evolving threats.
Application safeguards
Identity security
Protect access to sensitive information and safeguard identities with the latest security innovations.
Enhanced phishing protection
Enhanced phishing protection with Microsoft Defender SmartScreen helps thwart credential theft by warning users when they enter their Microsoft credentials into a malicious website.
Passwordless security
Lose the passwords and gain security with Windows Hello for Business. Sign in with PIN, face or fingerprint. You can also use facial recognition with presence detection to sign you in when you approach, and lock when you leave. 4
Windows 11 security guide & book
For an in-depth look at how Microsoft optimises security with Windows 11, read the Windows 11 Security Book. For a higher-level overview, check out the Windows 11 Security Guide.
Cloud-based protection
Grow your business and improve security with cloud tools for managing policies, identities and deployment. 4
Business-ready AI for real-world benefits
Grow your business with the fastest, most intelligent and secure Windows PCs in a flexible, scalable ecosystem. Unlock efficiencies across your organisation with powerful, smart computing at your service. Copilot+ PCs are business-ready for easy adoption of the latest AI innovations.
Explore all editions for your business
Windows 11 Pro
Enable exceptional work anywhere with layers of built-in security and AI-powered multitasking.
Windows 11 Pro for Workstations
Equipped for the most demanding workloads with features like faster file sharing and advanced processing.
Windows 11 Enterprise
For organisations with advanced security and management needs.
Frequently asked questions
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Windows 11 is designed for security at every level—hardware, operating system, application, privacy, identity and cloud. Key protections include:
- TPM 2.0 for hardware-based cryptography
- Microsoft Defender SmartScreen with cloud-powered protection
- Secure Boot and Windows Hello for trusted identity access
- BitLocker drive encryption to protect data at rest
- Microsoft Pluton security processors on supported devices
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Secured-core PCs have the advanced security features of Windows 11 enabled by default to guard against firmware-level attacks. They're designed to protect sensitive data, including intellectual property, financials and classified information, making them ideal for confidential, mission-critical work.
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For business laptops, Windows 11 Pro is the most secure Windows ever. On Secured-core PCs, Windows 11 Pro delivers enterprise-grade security right out of the box with features like BitLocker, TPM 2.0 and Microsoft Defender for Endpoint.
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A secure computer relies on features such as hardware-level protections, secure boot processes and advanced identity management. These features work together to block attacks and keep data safe. All of these protections are built into Windows 11 Pro.
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Windows 11 helps defend against malware and ransomware through:
- Secure hardware (TPM 2.0, Secure Boot)
- Isolation-based protection (VBS, Credential Guard)
- AI-driven threat detection (Smart App Control, Microsoft Defender)
- Built-in recovery options (OneDrive backup, Controlled Folder Access)
These security features work together to proactively block, detect and respond to evolving threats.
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Windows 11 combines hardware-based security with operating system protections to keep data safe. Windows 11 Survey Report Techaisle found a 62% drop in security incidents in comparison with Windows 10 devices. 1
- [1] Windows 11 Survey Report. Techaisle, September 2024. Windows 11 results are in comparison with Windows 10 devices.
- [2] Requires pre-installed specialised hardware, drivers and firmware. Learn more about Windows Hello ESS.
- [3] Windows 11 Survey Report, Techaisle, September 2024. Microsoft commissioned report where results are in comparison with Windows 10 devices.
- [4] Cloud services sold separately.
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