What is a key requirement of AC.L2-3.1.18 regarding mobile device connections?

The key requirement of AC.L2-3.1.18 emphasizes the importance of recording and tracking mobile device connections. This requirement is crucial for maintaining security and accountability regarding the use of mobile devices within an organization's network. By ensuring that all mobile device connections are documented, organizations can effectively monitor access to sensitive information, detect any unauthorized activities, and maintain compliance with regulatory standards.

This practice not only enhances security by providing a clear audit trail of which devices are accessing the network but also allows for quicker response actions in case of a security incident. Tracking these connections helps organizations identify potential vulnerabilities and take proactive measures to mitigate risks associated with mobile device usage, including the management of sensitive data and compliance with cybersecurity frameworks.

The other options do not align with the specific requirement: secure locations do not address tracking, confidentiality of connections is a separate security measure, and processing any type of data is overly broad and does not reflect the nuanced approach required for mobile device management in a secure environment.