Before you leave...
Take 20% off your first order
20% off
Enter the code below at checkout to get 20% off your first order
Discover summer reading lists for all ages & interests!
Find Your Next Read

Establish a holistic security stance by learning to view your unified communications infrastructure through the eyes of the nefarious cyber-criminal. Hacking Exposed Unified Communications & VoIP, Second Edition offers thoroughly expanded coverage of today's rampant threats alongside ready-to deploy countermeasures. Find out how to block TDoS, toll fraud, voice SPAM, voice social engineering and phishing, eavesdropping, and man-in-the-middle exploits. This comprehensive guide features all-new chapters, case studies, and examples.
Mark Collier is the CTO/VP Engineering at SecureLogix, where he directs research and development, UC vulnerability research, and design of the company's UC security products. He is actively performing research into ongoing security threats including TDoS, social engineering and phishing, voice SPAM, and various types of fraud.
David Endler is the director of product development at AVAST Software. He founded an industry-wide group called the Voice over IP Security Alliance, www.voipsa.org. David was named one of the Top 100 Voices in IP Communications by IP Telephony magazine.
Thanks for subscribing!
This email has been registered!
Take 20% off your first order
Enter the code below at checkout to get 20% off your first order