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Travel eSIMs secretly route traffic over Chinese and undisclosed networks: study


Convenient tech brings big bundle of security and privacy risks.

Researchers from Northeastern University tested dozens of popular eSIM services and discovered that user traffic frequently passes through Chinese infrastructure, regardless of the customer's actual location. Their analysis presented at the 34th USENIX Security Symposium in Seattle, United States, pointed to a pattern of opaque routing arrangements with eSIM provider networks. "After purchasing and installing a targeted set of eSIMs, we observed that in almost all cases the device’s public IP address did not correspond to its physical location," the researchers wrote.

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