Wave of Legal Challenges to NSA Electronic Surveillance
The American non-profit investigative journalism website Pro Publica has created the NSA Surveillance Lawsuit Tracker that lists the "key legal challenges to [U.S.] government surveillance and secrecy" since 2006. The last lawsuit added to the list was filed on July 8th.
For a Canadian take on government whistleblowers, I recommend the work of the NGO FAIR (Federal Accountability Initiative for Reform).
FAIR produces a monthly newsletter, the most recent issue being from June 2013. One of the articles is Canada slow to protect whistleblowing spies, soldiers.