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Gray Hat Hacking The Ethical Hacker’s Handbook by Jonathan Ness, Chris Eagle, Shon Harris, Gideon Lenkey, Allen Harper, Terron Williams

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CHAPTER 18VoIP Attacks

The growing popularity of IP telephony services is stimulating real concern over VoIP security. With potential security threats including attacks that disrupt service and attacks that steal confidential information, we must pinpoint and resolve any vulnerabilities in the VoIP network prior to the occurrence of a network breach, and prepare the network to deter any such attacks. In a time of global uncertainty, VoIP security exploits such as those related to denial of service can have a detrimental result of significant outages that affect our entire global infrastructure. Additional exploits related to service theft can cost in the billions of dollars to recover from and recoup service. With such emphasis today on the ...

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