The US Marine Corps has banned the use of social networking websites including Twitter, Facebook and MySpace from its networks. It appears that the leaders are not concerned with soldiers wasting time on social networks, but with the opportunities that exist for hackers to exploit their careless use. A source told Wired Magazine, The mechanisms for social networking were never designed for security and filtering. They make it way too They make it toos way too, says a source.”]
Source: https://grahamcluley.com/marines-banned-twitter-facebook-myspace/