Adversaries may exploit the lack of authentication in signaling system network nodes to track the location of mobile devices by impersonating a node.(Citation: Engel-SS7)(Citation: Engel-SS7-2008)(Citation: 3GPP-Security)(Citation: Positive-SS7)(Citation: CSRIC5-WG10-FinalReport) By providing the victim’s MSISDN (phone number) and impersonating network internal nodes to query subscriber information from other nodes, adversaries may use data collected from each hop to eventually determine the device’s geographical cell area or nearest cell tower.(Citation: Engel-SS7)
MITRE ATT&CK® is a registered trademark of The MITRE Corporation. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.