Facebook, Microsoft disclose little on national security requests

Facebook and Microsoft each fielded thousands of requests for user data as part of law enforcement investigations from U.S. authorities in the second half of last year, they said late Friday. Some of those investigations might have been related to national security -- but perhaps not. While the companies are for the first time allowed to include national security requests in the numbers, Facebook and Microsoft are still not permitted to say whether any are actually included. The companies disclo...