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Protect Yourself Against The Worst VoIP Dangers: Page 4 of 4

For now, Machinowski says, the best thing any organization can do to minimize its VoIP vulnerabilities is to maintain traditional network security, develop and observe consistent security policies and invest in VoIP-specific security tools and hardware where possible.

Zar agrees. "What you have to do is isolate voice traffic and ensure that you have good overall security," he says. "If you are using VoIP, you should be using a VoIP-aware firewall and secure your network against denial of service and intrusions. It starts with good network security."