Jason Ostrom is a security researcher working in the Sipera VIPER Lab, with an interest in VoIP and layer 2 security issues. He is a graduate of the University of Michigan, Ann Arbor, and has over 13 years of experience in the IT industry, including VoIP penetration testing. He is the author of the VoIP Hopper security tool and has contributed to other open source UC security tools.

Appearing at:

• VoIP Hopping the Hotel: Attacking the Crown Jewels through VoIP

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