U.S. Cyber Command's key warfighting programs lack interoperability goals such as data tagging standards, potentially putting at risk the ability of those systems to share information and work in coordination, according to the Government Accountability Office. In a report released today , GAO found CYBERCOM has not defined goals for how the systems under its "Joint Cyber Warfighting Architecture" will interoperate. The Defense Department created the architecture to "harmonize cyber capabilities," and includes four acquisition programs and two "other types...