A man is seen near cyber code and the U.S. National Security Agency logo in this photo illustration taken in Sarajevo in this file photo taken on March 11, 2015. REUTERS/Dado Ruvic

(Reuters) – China’s Defence Ministry expressed concern on Thursday at the Pentagon’s updated cyber strategy that stresses the U.S. military’s ability to retaliate with cyber weapons, saying this would only worsen tension over Internet security.

http://www.reuters.com/article/2015/04/30/us-china-usa-cybersecurity-idUSKBN0NL17920150430