In March, a US federal judge sided with the privacy advocacy group, Electronic Frontier Foundation (EFF), to overturn the constitutionality of National Security Letters (NSLs).

The letters, the judge wrote, violate free-speech rights.

Judge Susan Illston also found that the government failed to show that the letters and the blanket non-disclosure policy “serve the compelling need of national security” and that the gag order they come with creates “too large a danger that speech is being unnecessarily restricted.”

Read more at Naked Security