Source: Aliyah Shahid / New York Daily News Foreign hackers broke into the Pentagon computer system this spring and stole 24,000 files – one of the biggest cyber-attacks ever on the U.S. military, according to a Department of Defense official. William Lynn, the deputy secretary of defense, acknowledged the brazen theft during a speech on Thursday while detailing a plan to strengthen the country's cyber-security. Lynn would not disclose what kind of files were stolen or what country was behind the attack, which took place [...]