day3_Worldwide_attacks_on_SS7_network_P1security_Hackito_2014
day3_Worldwide_attacks_on_SS7_network_P1security_Hackito_2014
day3_Worldwide_attacks_on_SS7_network_P1security_Hackito_2014
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HLR / HSS<br />
Home Locati<strong>on</strong> Register<br />
Home Subscriber Server<br />
HLR: 1-20 per MNO<br />
“Heart” of <strong>SS7</strong> / SIGTRAN<br />
Subscriber database<br />
IMSI<br />
Authenticati<strong>on</strong> (AuC) : Ki<br />
Current subscriber locati<strong>on</strong><br />
Supplementary services<br />
Queries from internati<strong>on</strong>al partners (roaming)<br />
MAP Protocol<br />
Security impact: Key compromise, global DoS<br />
P1 Security – <strong>Hackito</strong> Ergo Sum <strong>2014</strong><br />
NSN HLR / HSS<br />
© <strong>2014</strong> - P1 Security, All Rights Reserved
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