How does ForeScout handle unauthorized devices attempting to access the network?

ForeScout has a sophisticated approach to managing unauthorized devices attempting to access the network, focusing on both security and user experience. The correct answer highlights that when an unauthorized device is detected, ForeScout typically quarantines it or redirects it to a remediation portal. This action is crucial because it prevents potential security breaches while providing the device owner an opportunity to resolve any compliance issues.

Quarantining the device effectively isolates it from the network, minimizing exposure to sensitive data and other authorized devices. At the same time, redirecting to a remediation portal ensures that users are informed about the reasons for the quarantine and are guided through the necessary steps to achieve compliance with network policies. This process not only reinforces security but also facilitates a more seamless user experience, enabling users to quickly rectify their status instead of being outright blocked or logged.

In contrast, blocking all access requests would eliminate any opportunity for remediation, creating a hostile environment for legitimate users who may simply need to address minor configuration issues. Allowing full access for tracking purposes contradicts security principles, as it could expose the network to various risks. While automatically logging attempts is important for monitoring overall network security, it does not actively prevent unauthorized devices from accessing critical resources or assist users in becoming compliant.