By Brendan Sasso – 05/22/12 11:35 AM ET

anonymousThe hacker activist group Anonymous hacked into a Justice Department server and posted troves of data online on Monday.

The group claimed it was releasing 1.7GB of data belonging to the “United States Bureau of Justice” and said the data included internal emails.

A Justice Department spokeswoman confirmed that someone had gained unauthorized access to a department server.

But she said the only server affected was the one that contains the data for the public website of the Department’s Bureau of Justice Statistics, which compiles national crime statistics.

The spokeswoman said the Bureau of Justice Statistics website had remained operational and the main website,, was not affected.

“The department is continuing protection and defensive measures to safeguard information and will refer any activity that is determined to be criminal in nature to law enforcement for investigation,” she said.

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