Security of Public and IP Telephone Networks
A Security Assessment of SS7, SIGTRAN and VoIP Protocols
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The Signaling System 7 (SS7) is the control networkused by public telephones all over the world. Havingbeen designed in an era in which few large telephonecompanies controlled the entire network, SS7 wasdesigned with no security in mind. However, due tothe telecommunications deregulation act,liberalization of economies, and the convergence oftelephone, IP, and wireless networks, the number ofinterfaces to SS7 has increased. Author discusses hownew players in the market and numerous entry pointsbetween SS7 and other networks have brought manyvulnerabilities. This book analyzes one suchinterface...
The Signaling System 7 (SS7) is the control networkused by public telephones all over the world. Havingbeen designed in an era in which few large telephonecompanies controlled the entire network, SS7 wasdesigned with no security in mind. However, due tothe telecommunications deregulation act,liberalization of economies, and the convergence oftelephone, IP, and wireless networks, the number ofinterfaces to SS7 has increased. Author discusses hownew players in the market and numerous entry pointsbetween SS7 and other networks have brought manyvulnerabilities. This book analyzes one suchinterface existing between the SS7 and IP networkswhere the inter-signaling can be exploited fromeither side to disrupt the services provided on theother side. The topics in this book include: SS7Network Security, SIGTRAN (SS7 over IP) Security, IPTelephony Security
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