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Voice Anti-Hacking Workshop (VHACK)

Course Description Schedule Course Outline

About this Course

This course uses live demonstrations in the training network to show you how hackers attack IP telephony systems. You will be acquainted with typical security shortcomings and the corresponding countermeasures. Extensive hands-on exercises illustrate the security problems and effective protective measures presented here. You will experience hacking and countermeasure techniques through extensive hands-on labs on actual equipment.

Who should attend

  • IT specialists tasked to design, set up, and operate IP telephony networks

Class Prerequisites

  • Prior to attending this course, you should understand the fundamentals of enterprise voice environments, as well as TCP/IP fundamentals

What You Will Learn

After taking this course, you will be able to:

  • Recognize common hacking threats
  • Utilize a variety of techniques and tools to test most Voice environments for security vulnerabilities


Our instructor for this course has years of focused experience with Voice and other penetration testing techniques. Much of this course comes from hands on experience working with Law Enforcement and corporations in order to define the threat surface of an enterprise, and to come up with appropriate countermeasures.

Outline: Voice Anti-Hacking Workshop (VHACK)

  • IP telephony overview
    • Reasons for using IP telephony
    • The development of telephony
    • Hacking telephone networks
  • IP telephony techniques
    • Setting up VoIP networks
    • How VoIP works
    • Quality of service for VoIP
    • H.323 architecture
    • SIP signaling
  • IP telephony security risks
    • H.323 security
    • SIP security
    • Comparing H.323 and SIP
  • Hacking IP telephony
    • Signaling manipulations
    • Eavesdropping on IP phone calls
    • Intrusions in H.323 networks
  • Designing secure IP telephony networks
    • Campus installation
    • Transmitting VoIP securely over WANs
    • Best practices
Classroom Training

Duration 3 days

  • United States: US$ 2,595
Enroll now