Articles by Lisa Phifer 

Testing SIP Security on a Budget, Part 2

Along with its advantages, VoIP brings its own vulnerabilities. Fortunately there is a host of free/open-source tools to mitigate these

Testing SIP Security on a Budget, Part 1

Along with its advantages, VoIP brings its own vulnerabilities. Fortunately there is a host of free/open-source tools to mitigate them.

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