Which technology does not apply to securing a data center?

Aperture does not specifically apply to securing a data center in the same context as the other technologies listed. App-ID, Wildfire, and User-ID are all security technologies commonly associated with enhancing the protection of data center environments.

App-ID focuses on identifying and controlling applications traversing the network, thereby allowing for more granular security policies that enhance visibility and minimize risks associated with unauthorized applications.

Wildfire is a cloud-based threat intelligence service that identifies and analyzes unknown files and potential malware to enhance overall security posture. This technology helps protect the data center by preventing the introduction and spread of malicious content.

User-ID allows for tracking user identities and context, which is crucial in enforcing security measures based on user roles and behaviors, directly impacting data access and control.

In contrast, Aperture is more of a cloud-based application security solution that focuses on managing and securing data in SaaS applications. While it plays a role in securing applications, it is less relevant to the core aspects of securing the data center itself compared to the other technologies listed.