Support for Windows 10 officially ends on October 14th. As the end-of-life deadline draws nearer, organisations that haven’t already made the switch face undertaking migration to Windows 11 or leaving themselves vulnerable to security risks. 

In addition to ensuring ongoing regulatory compliance, the transition to Windows 11 provides a key opportunity for businesses to revisit and evolve their privacy strategies. Windows 11 comes complete with enhanced privacy features that can support businesses in turning a required upgrade into proactive privacy enhancement. 

Taking a strategic approach is vital. Rather than simply focusing on meeting technical requirements, organisations should focus on privacy opportunities afforded by the upgrade. 

Embedding Privacy-by-Design  

Windows 11 features core privacy-by-design elements. This includes the mandatory Trusted Platform Module version 2.0 (TPM 2.0) hardware requirement that forms the foundation for enhanced data protection through hardware-level security. Additionally, Secure Boot functionality prevents unauthorised modifications during the boot process, while visualisation-based security features isolate critical processes from potential threats.  

These features extend far beyond simple box-ticking for audit purposes. TPM 2.0 provides cryptographic attestation that can verify system integrity, which is vital for maintaining the trust chains demanded by GDPR’s accountability principles. More stringent default security configurations ensure organisations can achieve better privacy protection with less manual intervention, which reduces the risk of human error. 

The Windows 11 privacy controls align naturally with data minimisation and purpose limitation, both of which are fundamental GDPR principles. This privacy-by-design approach makes compliance an inherent system characteristic and represents a core shift from the all-or-nothing approach of earlier iterations of Windows. 

Enhancing Telemetry Data Control 

The granular approach to diagnostic data collection, with separation between ‘required’ and ‘optional’ telemetry, is a significant privacy improvement in Windows 11. This approach also supports GDPR data minimisation principles, enabling organisations to clearly define the data Microsoft collects. 

Other key changes include: 

Improved privacy dashboard, providing clear insight into what data is being shared and for what purpose. 

Diagnostic Data Viewer, which provides real-time insights into telemetry collection for demonstrable transparency to users and auditors and alignment with GDPR. 

Improved categorisation, simplifying privacy impact assessments. 

Windows 10 required extensive investigation to understand data flows. By contrast, Windows 11 makes these processes more transparent, enabling organisations to make informed decisions about which data sharing aligns with their privacy objectives and vice versa. 

Privacy Impact Assessments 

The new security model, enhanced telemetry controls and modified default settings in Windows 11 represent significant changes to how data is processed, stored and transmitted. As such, revisiting Data Protection Impact Assessments (DPIAs) is essential. 

The enhanced security defaults built-in to Windows 11 could mean that previous risk assessments are now overly conservative. New features, such as visualisation-based security, allow for stronger isolation between different data processing activities, potentially reducing risks identified in a business’s Windows 10 assessments. One result of this could be updated risk classifications and modified treatment strategies to better reflect a business’s security posture. 

Updating DPIAs will also make organisations reconsider their data processing activities with a more holistic view. Windows 11’s new features allow businesses to reduce data collection or processing that was previously considered necessary for system operation. This represents a genuine improvement in privacy, and alignment with GDPR Article 25’s data protection by design and default. 

Transforming Transparency and User Consent Management 

The redesigned Settings app and Diagnostic Data Viewer featured in Windows 11 can revolutionise how businesses communicate with users about data processing. With a clearer interface design, it’s easier for users to understand the permissions they’re granting an organisation and what data is being collected; inevitably those permissions are granted or withheld based on more informed user consent. This improved transparency and user comprehension directly aligns with GDPR transparency requirements. 

Despite the improved tools featured in Windows 11, implementing GDPR-compliant consent management remains an organisational responsibility. However, the Windows 11 operating system provides improved mechanisms for consent management – Microsoft Endpoint Manager and enhanced Group Policy capabilities enable administrators to enforce consent preferences at scale while maintaining documentation of user choices. 

Using these tools, organisations can create audit trails that demonstrate how consent was obtained, modified and maintained. With improved visibility into data processing activities, businesses can provide more accurate information to users about how their consent choices impact system behaviour.  

Here, improved user experience is a core advantage.  

When users can easily understand and control privacy settings, they are more likely to make informed decisions that reduce both privacy risks and compliance burdens for businesses. 

Implementing Windows 11 and Next Steps 

Organisations must take an approach that goes beyond just technical configuration in order to successfully leverage Windows 11 privacy opportunities. For data protection officers, the upgrade from Windows 10 to Windows 11 presents an opportunity to refresh and improve existing privacy practices while embedding privacy-by-design principles throughout the migration process. 

Tying Windows 11 deployment into broader compliance frameworks results in more effective implementation. For businesses with ISO 27001-certified information security management systems (ISMS), the structured approach to change management will naturally incorporate GDPR considerations. Additionally, the ISO 27001 framework’s requirements for risk assessment, asset management and change control align with the systematic approach required for a privacy-forward Windows 11 deployment. 

Businesses should focus on core focus areas:  

  • Minimising unnecessary data collection. 
  • Improving user transparency via Windows 11’s enhanced interface tools. 
  • Creating robust documentation of privacy decisions and configurations. 

The process is as much about building user trust and demonstrating business commitment to privacy protection as it is about compliance. 

The Windows 11 transition offers more than just a technical upgrade. It’s an opportunity to strengthen an organisation’s privacy posture. It also naturally supports achieving compliance objectives. With a strategic approach and a focus on the genuine privacy improvements available with the Windows 11 upgrade, businesses can transform a mandatory upgrade into a real competitive advantage.