The U.S. National Security Agency has penetrated the main communication links that connect Yahoo and Google data centers around the world, giving it access to the accounts of hundreds of millions of people including U.S. residents, The Washington Post reported Wednesday.
By tapping the links, the agency is able to collect at will a wide range of content such as metadata -- indicating the recipients of emails and when the messages were sent -- as well as actual content like text, audio and video, according to the
report.