Which solution is best for ensuring mobile devices comply with security policies concerning internet access restrictions?

Mobile device management (MDM) solutions are specifically designed to manage mobile devices within an organization's environment, making them the most effective choice for ensuring compliance with security policies regarding internet access restrictions. MDM solutions allow organizations to enforce security policies directly on the devices, including the ability to restrict internet access to certain applications or websites.

With MDM, IT administrators can configure settings, install applications, and manage device policies remotely. This includes enforcing encryption, requiring passwords, and restricting connections to untrusted networks, which are essential for maintaining a secure mobile device environment. The ability to monitor and manage device compliance on the go is crucial in today’s fast-paced mobile landscape.

While VPN services secure internet connections and allow privacy for data transmission, they do not actively enforce compliance with internet access policies. Endpoint detection and response systems are focused on detecting and responding to threats on devices and networks but don't specifically address policy enforcement for internet access. Firewalls can protect networks from unauthorized access and threats but are not designed to manage mobile devices or ensure their compliance with specific internet access restrictions.

Thus, MDM stands out as a comprehensive solution tailored specifically for managing mobile devices and enforcing security policies effectively.