About the Authors
Mark Collier
Mark Collier is the Chief Technology Officer (CTO) and Vice President of Engineering for SecureLogix Corporation. He is responsible for SecureLogix’s technology direction, research/development, and engineering. Mark manages the development of SecureLogix’s enterprise voice, Voice over IP (VoIP), and unified communications (UC) security solutions.
Mark is actively performing research in the area of VoIP and UC security. This includes research for evolving threats and development of custom security assessment tools. He has recently been focused on ongoing telephony denial of service (TDoS) attacks and defining countermeasures ...
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