PARIS (Reuters) - U.S. weapons industry executives say they are disappointed and frustrated about a massive U.S. cyber breach that exposed sensitive information about millions of Americans, including many thousands who work on high-security arms projects.

Details are still emerging about major cyber attacks on the U.S. Office of Personnel Management that were first disclosed earlier this month and U.S. officials have linked those breaches to China. China denies any involvement.

But U.S. industry executives, many of whom hold security clearances of their own and employ thousands of people whose data has likely been stolen, say they have heard enough to know that the incident could open up new vulnerabilities putting their networks at risk.

Read more: http://www.businessinsider.com/r-us-cyber-hack-unsettles-frustrates-us-defense-industry-2015-6#ixzz3dU5Sw3d3