The Defense Department issued a challenge to coders in an effort to get help in computer forensics and data analysis. Contestants will compete to uncover and recover digital data that’s been hidden or damaged. “They will be dealing with all of the things we encounter to obfuscate data,†said James Christy, director of the Cyber Crime Institute of the Defense Cyber Crime Center, in announcing the Challenge at the Black Hat Briefings. One of the center’s primary jobs is to provide forensics services for criminal investigations…