Geofencing defines a virtual boundary for a real-world geographic area and triggers an automated response-such as granting or denying system access-when that boundary is crossed. It leverages technologies like GPS, RFID, Wi-Fi, or cellular data to enhance logical security by restricting or auditing access based on physical location. The other options describe unrelated security measures such as content filtering, device hardening, or encryption, none of which inherently rely on location-based boundaries.
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How does geofencing use GPS, RFID, Wi-Fi, and cellular data?
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What are some common use cases for geofencing in network security?
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What challenges can arise when implementing geofencing for network security?