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Mark Collier’s Book on VoIP Security Continues to Gain Positive Reviews

Client, SecureLogix’s Mark Collier, continues to receive positive review for his book, "Hacking Exposed VoIP."

If you scroll half-way down the page here, you will see user-generated reviews on Amazon.

Collier Speaking VoiceCon

Mark is SecureLogix’s Technology Officer and VP of Engineering and is currently this week at VoiceCon where he is discussing a host of corporate telecom security issues and countermeasures during three different presentations.

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