FILE - This June 9, 2013 file photo provided by The Guardian Newspaper in London, shows Edward Snowden, who worked as a contract employee at the National Security Agency, in Hong Kong. Reports of U.S. journalist Glenn Greenwald based on documents obtained by Snowden disclosed that Brazil's President Dilma Rousseff and state oil company Petrobras were target of American espionage, sparking tensions in relations between the two countries allies. (AP Photo/The Guardian, Glenn Greenwald and Laura Poitras, File)
Continuing revelations about NSA spying could mean multi-billion dollar losses yearly for some U.S. Internet companies, including to some in Silicon Valley.
Analysts say anxiety over the NSA's spying has prompted a widespread view that it is unsafe to do business with U.S. cloud companies which offer software products over the Internet.
The Cloud Security Alliance found 56 percent of the 207 foreign respondents were less likely to use U.S. cloud providers in the future.