CoreStreet Teams with Verizon Business to Provide Federal Agency with Managed Validation Services; Helps Protect Identity of Personnel in Central, Regional Departmental Offices Cambridge, Mass., Sept. 8, 2008–Driven by Homeland Security Presidential Directive 12 (HSPD-12) goals and implementations, CoreStreet, the leader in credential validation solutions, today announced that the Department of Veteran Affairs (VA) will…