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Tag: IMSI

Buggy IMS Implementation Caused UK Mobile Operator to Broadcast the Location of Users

Anyone with a basic understanding of networks could have tracked customers of O2 UK due to a mistake with how a Mavenir IMS had been set up.

How Private is Pretty Good Phone Privacy?

The creators of PGPP want to protect users from IMSI-catchers and location monitoring by rotating IMSIs and obfuscating geography but their methods are unlikely to scale and have important drawbacks.

Is It a Good Idea to Offer to Disguise IMSIs?

A new pseudo-network offers privacy-conscious mobile phone users the ability to change their IMSI at the press of a button.

Reporters Find 20 IMSI-Catchers in London

Sky News used technology from a German security firm to detect at least 20 IMSI-catchers over a period of three weeks. The Police neither confirms nor denies ownership of the IMSI-catchers.

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Our Global Fraud Dashboard uses AI-powered search to collate, update and visualize data about scams and other network abuses from around the world. New charts are added each month. See it here.

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