The agency reported at least two cases of abuse . The NSA has been under fire after the leak of emails by a former employee . One employee violated NSA 's rules on the first day he had access to the agency 's signals intelligence collection system . A contractor had asked the NSA to detail any aspects of its systems .
The agency reported at least two cases of abuse . The NSA has been under fire after the leak of emails by a former employee . A contractor had asked the NSA to detail any aspects of its systems .