A hacker who goes by the name of \'Yama Tough\' threatened Saturday to release next week the full source code for Symantec Corp\'s flagship Norton Antivirus software. \"This coming Tuesday behold the full Norton Antivirus 1,7Gb src, the rest will follow,\" Yama Tough posted via Twitter. In the past week Yama Tough has released fragments of source code from Symantec products along with a cache of emails. The hacker says all the data was taken from Indian government servers.