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637865
10.9 UMTS
Descrição
Masters Degree Network Security Mapa Mental sobre 10.9 UMTS, criado por Craig Parker em 15-03-2014.
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network security
network security
masters degree
Mapa Mental por
Craig Parker
, atualizado more than 1 year ago
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Criado por
Craig Parker
aproximadamente 10 anos atrás
207
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Resumo de Recurso
10.9 UMTS
3rd Generation = 3G
Higher rates of transmission & richer range of services
Introduces new radio technology into the NW
Universal Mobile Telecomms Systems
New 3G system
Principles of UMTS Security
Built on GSM
Adopt the security features from GSM that proved to be needed and are robust
Ensure compatability with GSM to ease inter-working and handover
Retained the Authentication features
Retained encryption but with new algorithms 128 bit keys
Kept the IMSI TMSI mechanism
Correct the problems of GSM by addressing any weakness
Add new Security Features
Secure new services
Address changes in NW architecture
Longer 128 bit key lengths
Security further back in the NW than GSM
Mutual authentication - Sim to NW / NW to SIM (remove false base station attack
Extra integrity protection of signalling data between phone and network
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