A system described herein may provide a technique for enhanced authentication techniques that leverage network-based location determination of UEs, such as mobile telephones or other devices that communicate with a wireless network. For example, a wireless network may monitor, determine, or otherwise maintain information regarding the geographic location of User Equipment (“UEs”) that are associated with the wireless network. Some embodiments may utilize such network-monitored location information to verify that a participant device, associated with a given UE, is located within a particular proximity of the UE when performing an authentication process to receive services or resources.