By 
The Transportation Security Administration has improved its processes for covert testing of passenger and checked baggage screening at U.S. airports to uncover vulnerabilities but its overall efforts remain mixed, the Government Accountability Office (GAO) says in a new report. “In 2015, TSA established the Security Vulnerability Management Process to leverage agency-wide resources to address systems vulnerabilities,” GAO says in an unclassified version of its report. “However, this process has not yet resolved any identified security vulnerabilities. Since 2015, Inspection officials…
