The National Security Agency broke privacy rules "thousands of times each year" since 2008, The Washington Post reported, citing an internal audit and other documents.
NSA leaker Edward Snowden provided material to the newspaper this summer.
The May 2012 audit found 2,776 incidents of "unauthorized collection, storage, access to or distribution of legally protected communications" in the preceding 12 months, the Post reported in its story Thursday.
"Rightful liberty is unobstructed action according to our will within limits drawn around us by the equal rights of others. I do not add 'within the limits of the law' because law is often but the tyrant's will, and always so when it violates the rights of the individual." Thomas Jefferson
"If people can’t trust not only the executive branch but also don’t trust Congress, and don’t trust federal judges, to make sure that we’re abiding by the Constitution with due process and rule of law, then we’re going to have some problems here." - Barack Obama, June 7, 2013