Cyberexperts unsure whether attack was government sponsored
                                
                                
                                    (Newser) -
                                    Hackers have taken down a key al-Qaeda online forum and propaganda site, al-Shamukh, hitting not just the website but also the host server, reports the  AP . Given the sophistication of the attack, security experts think the incident might have been government-sponsored, something that  has happened   several times in the past...