巴西安装防间谍邮件网络

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　　BRASILIA, April 2 (Xinhua) -- Brazil's Ministry¹ of Defense² Wednesday began installing a secure digital communication network for federal government offices, a government source said.

　　The system, named Expresso V3, aims to protect official emails from the type of surveillance U.S. intelligence agencies were reported last year to have carried out on Brazil's President Dilma Rousseff and her top aides.

　　The coordinator³ of the federal government's data processing service (Serpro), Marcos Mello, said the system uses passwords and digital markers to safeguard emails from snooping, as well as certifying⁴ the authenticity⁵ of the email's origin.

　　The system employs "digital signatures and encryption to ensure the integrity and confidentiality⁶ of the message," he said.

　　"All the security tests were done" on the system, including "a simulated break in," Mello added.

　　Government intelligence worked on developing the software with the help of the Federal University of Santa Catarina (UFSC).

　　The system, which includes such functions as instant messaging and web conferencing, is expected to be fully⁷ installed at the Defense Ministry by June 30, and throughout federal government offices by the end of 2014.

　　Last year, documents leaked by U.S. intelligence worker-turned- whistleblower Edward Snowden showed the Washington-based National Security Agency (NSA) monitored the email accounts of Rousseff, several members of her cabinet, and the state oil giant Petrobras.

　　Brazil accused Washington of corporate⁸ spying and Rousseff instructed Serpro to develop a secure email network for government use. She also denounced the spying at the United Nations and called for global internet governance to protect individual privacy.

　　The software is the third version of the secure email system, which is already being used by 700,000 users, and has attracted the attention of the governments of Argentina and Uruguay, which are interested in installing secure networks.

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