“Over the past few days, several of Al-Qaida’s online communication channels have been disrupted by distributed denial-of-service (DDOS) attacks. Evan Kohlmann, a US terrorism consultant who has worked for the FBI and other government agencies, has been monitoring the attacks. ‘It is unclear whether the apparent DDOS attacks on the Al-Qaida forums are the work of independent cybervigilantes or a government agency,’ he added.”

Source: Three Major Al-Qaida Forums Disrupted by DDOS Attack