USA: Congressional Research Service (RS) reports
04 November 2014
"Intelligence whistleblowers are generally Intelligence Community (IC) employees or contractors who bring to light allegations of agency wrongdoings by, for example, disclosing information on such wrongdoings to congressional intelligence committees. Such disclosures can aid oversight of, or help curb misconduct within, intelligence agencies. However, intelligence whistleblowers could face retaliation from their employers for their disclosures, and the fear of such retaliation may deter whistleblowing."
See the full text:
Intelligence Whistleblower Protections: In Brief (pdf)
And see:
Reform of the Foreign Intelligence Surveillance Courts: Procedural and Operational Changes (pdf):
"Recent disclosures concerning the size and scope of the National Security Agency’s (NSA) surveillance activities both in the United States and abroad have prompted a flurry of congressional activity aimed at reforming the foreign intelligence gathering process. While some measures would overhaul the substantive legal rules of the USA PATRIOT Act or other provisions of the Foreign Intelligence Surveillance Act (FISA), there are a host of bills designed to make procedural and operational changes to the Foreign Intelligence Surveillance Court (FISC)..."