A spokeswoman for Defence Minister Rob Nicholson wouldn't address the allegations, reported Sunday based on information leaked by former U.S. National Security Agency contractor Edward Snowden.
- Canadian spies targeted Brazil's mines ministry: report
"We do not comment on foreign intelligence gathering activities. Under the law, this organization cannot target Canadians," Julie Di Mambro said an in emailed statement to CBC News.
Brazil and Canada have several industries that compete with each other, including mining and aerospace. Brazil is Latin America's biggest country.
A spokesman for Prime Minister Stephen Harper would neither confirm nor deny the allegations when asked to respond to the report late Sunday night.
The "CSEC does not comment on its specific foreign intelligence activities or capabilities," said Harper's communications director, Jason MacDonald.