Mark Whitteker, MSIA, CISSP, ISP, is the manager of the Government Security & IT Services mission at Cisco Systems, Inc. Leading a geographically dispersed team of veteran security and IT professionals, Mark has over 20 years of experience in security architecture, secure solutions development, systems and network auditing, forensic discovery, vulnerability assessments, and security management. He has an extensive background in the application of US government regulations and requirements, including both physical and logical security, with notable success and accomplishments in directing a broad range of corporate security initiatives through the design, planning and implementation of cla...