Staff members study networking at the training room of the Huawei Technologies Co. headquarters in Shenzhen, China, in June 2011.
Kin Cheung/AP
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The NSA managed to penetrate the networks of the giant Chinese telecommunications firm Huawei, documents show. Journalist David Sanger says cyber-espionage is an "entirely new field of conflict."
Staff members study networking at the training room of the Huawei Technologies Co. headquarters in Shenzhen, China, in June 2011.
Kin Cheung/AP
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