Paul Tatum, Director of Systems Engineering, Sun Microsystems, Data Security: Integrated Approaches to Safeguarding the Data Center, GTSI Technology Leadership Series, April 2009. The GTSI Technology Leadership Series brings government leaders, industry innovators and IT analysts together in a lively forum that examines key technology issues facing government today. GTSI helps government agencies proactively manage their enterprise technology infrastructure, using a Technology Lifecycle Management (TLM) approach. GTSI provides deep technical expertise to assess, acquire, implement, support, refresh, and dispose of technology. GTSI's certified engineers and project managers leverage strategic partnerships with technology providers and use proven, repeatable processes to deploy, manage, and support solutions through each phase of the technology lifecycle.