SAVANNAH, Ga. -- In the interests of thwarting cyberattacks on critical infrastructure such as energy, water and manufacturing, the Department of Homeland Security (DHS) is quietly reaching out to other governments around the world to find what problems may exist elsewhere and what research can be shared to improve industrial control systems (ICS).

WASHINGTON, D.C. -- Cyberattacks are starting to eclipse terrorism as a threat to the country, say top officials from the Federal Bureau of Investigation, speaking before an audience of security professionals here at the GovSec Conference today.

The controversial WikiLeaks website, which contains thousands of US embassy cables, has crashed during an apparent cyberattack.

A hacker group has brazenly ramped up its antics as unrelenting waves of cyberattacks expose how poorly defended many networks are against internet marauders.

Three Web sites belonging to the US Department of the Treasury have been hacked to attack visitors with malicious software, security vendor AVG says.

White House Cybersecurity Coordinator Howard Schmidt says the information security community is right to be spooked by massive, coordinated attacks that recently targeted Google. But he rejects the notion that this is cybergeddon, and believes the best defense remains in the hands of the private sector.