The United States Chamber of Commerce has confirmed Chinese hackers last year broke into internal networks.

The breach is, in some ways, a twist of fate for the Chamber. It has been one of the more vocal critics of cybersecurity legislation. In an internal draft document circulated earlier this year, the Chamber criticized the White House’s legislative proposals on cybersecurity as “regulatory overreach” and cautioned that “layering new regulations on critical infrastructure will harm public-private partnerships.”
http://bits.blogs.nytimes.com/2011/1...rsecurity-law/