How mobile telecommunication networks hinders investigation

Europol points out a serious problem related to mobility and mobile telecommunication networks known as home routing.

The core problem here is depending on Privacy Enhancement Technologies (PET) which objectives to protect call confidentiality conflict directly with the ability to request call information when roaming in different countries.

Once Home Routing is deployed, any suspect using a foreign SIM card can no longer be intercepted. This problem occurs both when a foreign national uses their own (foreign) SIM card in another country, and when citizens or residents use a foreign SIM card in their own country.


Find out more about this issue and a position paper issued by Europol here.

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AI4GS-24 organizing committee