As U.S. military leaders outlined their strategy before Congress to fight Islamic State militants on the battlefield, the National Security Agency chief said on Tuesday he was watching the media-savvy group's cyber capabilities.Asked whether the Sunni Muslim group was planning cyber attacks on U.S. interests, Admiral Mike Rogers said he could not discuss specifics of the organization's technical capabilities.

"We need to assume that there will be a cyber dimension increasingly in almost any scenario that we're dealing with," Rogers said at a cybersecurity conference in Washington. Islamic State, which controls large swaths of Iraq and Syria, has posted carefully choreographed beheading videos online, trumpeted its violent acts on Twitter and used social media to recruit foreign Islamists to the fight.
"Its public messaging and social media is as slick and as effective as any I've ever seen from a terrorist organization," Homeland Security Secretary Jeh Johnson told the Council on Foreign Relations in New York last week.
Cybersecurity expert James Lewis of the Center for Strategic and International Studies said he did not think Islamic State posed any immediate cyber threat to American interests. While there may be no imminent or specific cyber threat from Islamic State, there is a wide-ranging intent to damage the West, a congressional aide said. Different jihadist groups have talked about launching cyber attacks and it may be just a matter of time before they find someone capable of doing it, the aide said on condition of anonymity.



Rogers, speaking generally on how cybersecurity threats are proliferating across all aspects of American life, said: "There is nothing but increased activity out there." As Pentagon officials told Congress on Tuesday they were preparing for a longer-term campaign against Islamic State in Syria and Iraq, Rogers said cyber defense was a long-haul effort.


The U.S. Cyber Command he leads hopes to have 6,200 cyber employees by 2016 to detect and deflect such threats, and Rogers urged greater cooperation on cybersecurity between government, business and industry. "There are a lot of groups out there - individuals, nation-states - who feel that this is an area worth investing in, because it achieves positive outcomes for them if they can penetrate systems," Rogers said at the Billington Cybersecurity Summit.