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Lone packet crashes telco networks

mask.of.sanity (1228908) writes | about 2 years ago

Security 0

mask.of.sanity (1228908) writes "A penetration tester has shown that GSM communications systems can be taken down with a handful of malformed packets.

The weakness was in the lack of security around the Home Location Register server clusters which store GSM subscriber details as part of the global SS7 network.

A single packet, sent from within any network including femtocells, took down one of the clusters for two minutes."

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