Source: The Guardian
Michael Kieschnick, chief executive of Credo Mobile, hailed the judge's order as "the most significant court victory for our constitutional rights since the dark day when George W Bush signed the Patriot Act".
Kieschnick said: "This decision is notable for its clarity and depth. From this day forward, the US government's unconstitutional practice of using national security letters to obtain private information without court oversight and its denial of the first amendment rights of national security letter recipients have finally been stopped by our courts."
NSLs have been an increasingly important part of the US government's approach to counter-terrorism, though their growing use has been matched by mounting unease on the party of civil libertarians.
Last year the FBI sent out more than 16,000 of the letters relating to the private data – mainly financial, internet or phone records – of more than 7,000 Americans.