The National Security Agency in us is accused of reading other people's e-mails around the world in its search for military and commercial secrets.

美国国家安全局在全球范围内偷窥他人的电子邮件，获取军事和商业秘密，受到了指责。

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Echelon's existence was only recently confirmed by the US Government through the declassification of secret documents of the US National Security Agency (NSA).

BBC: US spy system under attack

President GEORGE W. BUSH: In the weeks following the terrorist attacks on our nation I authorized the National Security Agency, consistent with US law and the Constitution, to intercept the international communications of people with known leaks--links to al-Qaeda and related terrorist organizations.

NPR: Bush Defends Domestic Spying Program