URGENT ¥¥¥ Growing cyber threat to US infrastructure: spy chief

The United States faces a mounting danger from cyber attacks on its infrastructure while digital espionage threatens to undercut the military's technological edge, the US national intelligence chief said Tuesday.

Citing "increasing risk to US critical infrastructure," National Intelligence Director James Clapper said in an annual report to Congress that "unsophisticated" attacks could penetrate poorly protected computer networks for power grids or similar systems.