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 Hacking VoIP: Protocols, Attacks, and CountermeasuresVoice 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,... | | Buying Trances: A New Psychology of Sales and MarketingPraise for Buying Trances
"The genius of Joe Vitale has never shone brighter. This thoroughly documented and easy-to-read book is the first of its kind. Vitale gives you the keys to their minds. All you have to do is turn the keys. They said 'yes' to you long before you said a word and they were begging to buy from you... | | Data Protection: Governance, Risk Management, and ComplianceFailure to appreciate the full dimensions of data protection can lead to poor data protection management, costly resource allocation issues, and exposure to unnecessary risks. Data Protection: Governance, Risk Management, and Compliance explains how to gain a handle on the vital aspects of data protection.
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| | Canon EOS Digital Rebel XS/1000D: Focal Digital Camera GuidesJust bought a Canon EOS Digital Rebel XS/1000D and looking to combine practical know-how with inspiration? This one-stop, easy-to-read guide covers all the basic functions of the camera, and everything beyond.
Inside, you'll find detailed explanations of every control and every feature, including full-color illustrations showing how... | | |
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