The Defense Security Service is studying how tax incentives could be used to incentivize companies to better protect their supply chains from foreign intelligence threats. DSS plans to award a sole-source contract to the Center for Strategic and International Studies (CSIS), a Washington-based think tank, to outline how tax incentives can be used to improve security in the Defense Department's supply chain, according to a Dec. 22 solicitation notice . CSIS "will provide specialized consulting, planning, research and analysis services,...