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Hacking VoIP: Protocols, Attacks, and Countermeasures

Hacking VoIP: Protocols, Attacks, and Countermeasures

Paperback

NetworkingComputer Security

ISBN10: 1593271638
ISBN13: 9781593271633
Publisher: No Starch Press
Published: Oct 15 2008
Pages: 232
Weight: 1.00
Height: 0.71 Width: 7.04 Depth: 9.18
Language: English

Voice over Internet Protocol (VoIP) networks have freed users from the tyranny of big telecom, allowing people to make phone calls over the Internet at very low or no cost. But while VoIP is easy and cheap, it's notoriously lacking in security. With minimal effort, hackers can eavesdrop on conversations, disrupt phone calls, change caller IDs, insert unwanted audio into existing phone calls, and access sensitive information.

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