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View Diary: I Doubt the NSA Knows What Data It Has, Where It Came from, Who Has Accessed It and If It Was Stolen (158 comments)

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  •  The data doesn't need to be sorted (0+ / 0-)

    Sorting it putting data in order in memory.  All they have to do is enter the data into a database and all the information to do this is contained within the data.

    Take e-mail for example.  The account sending and account(s) receiving is included in the data of the e-mail.  You just have to read and store those values along with the content of the e-mail and you can search for all e-mail sent and received by an account.

    Sorting the database would make searches faster but with the amount of data that they are collecting vs the amount that they are interested in they probably don't.

    Doing some basic analysis of all the e-mails would also likely be easy.  They probably detect and flag encryption.  They also probably have an algorithm to look through the content of the e-mail to find keywords and flag the e-mail according to what is found.

    "It was believed afterward that the man was a lunatic, because there was no sense in what he said." "The War Prayer" by Mark Twain

    by Quanta on Mon Jul 01, 2013 at 07:14:09 PM PDT

    [ Parent ]

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