Microsoft is rolling out a new security enhancement for Windows 11 that automatically activates memory integrity protection on eligible devices. This feature is designed to improve the security of a critical part of the operating system, specifically the kernel-mode drivers that manage direct access to hardware. According to Microsoft, security should be built into the system by default rather than added later, and this update reflects that philosophy. The updates, which will be delivered through regular Windows quality updates, will enable memory integrity protection on compatible devices. If not already active, these updates will also turn on Virtualization Based Security (VBS), a feature that enhances security by leveraging hardware virtualization. VBS helps provide additional layers of protection and is part of Microsoft's broader effort to make Windows secure by design and secure by default. Memory integrity protection is intended to make the system more resistant to attacks by limiting the ability of malicious code to manipulate critical system components. However, some gamers have raised concerns, as VBS has historically been linked to performance issues, particularly in gaming. Some users report frame rate drops of up to 10%, while others say the impact is negligible, especially on newer hardware. Gamers who are concerned about performance can manually disable memory integrity protection. However, some users are frustrated that Microsoft previously activated VBS without clear communication, leading to uncertainty about whether the feature is being enabled automatically alongside memory integrity. As a result, reactions to the change are mixed—some praise Microsoft for prioritizing security, while others prefer to keep memory integrity turned off for better performance. Microsoft's decision may be influenced by the growing threat of AI-driven attacks and exploits. With artificial intelligence accelerating the development of new cyber threats, the company may feel increasing pressure to implement stronger security measures to protect users from increasingly sophisticated attacks.