Washington: The top US military officer said recent computer hacking of information from US drones caused no significant military damage.
Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, confirmed that hackers obtained data from drones flying over Iraq.
He is in Iraq Friday for talks on the coming US withdrawal.
Mullen said he is very concerned about the issue of hacking and cybersecurity in general.
Insurgents in Iraq and Afghanistan have intercepted live video feeds from Predator drones. The vulnerability caused by the recent drone incidents has been fixed.