Los Alamos officials assured Energy Department superiors that safeguards in place would prevent any unauthorized leaks of sensitive information.

"You are aware of departmental policy on unauthorized leaks to the media."

Fears about unauthorized leaks have kept officials from discussing sensitive information during the morning meeting.

Blackout was to be released on November 13, but it was moved up to October 30 due to unauthorized leaks.

After that incident, Mr. Gerber said, he put in place procedures to stop unauthorized leaks of his most closely held data.

Rather, officials are already maneuvering to shape the agenda for future high-level meetings with Soviet officials, employing a familiar Washington weapon, the unauthorized "leak."

Mr. Roberts and other Republicans said that the most serious issue was the unauthorized leak of sensitive information on intelligence.

However, after unauthorized online leaks, imeem began streaming the album from their website on November 25.

"Circus" was released on December 4, 2008 as the album's second single, a day earlier than planned due to unauthorized leaks.

An unauthorized leak of his collaboration with Drake, called "Made" made its way onto the internet on April 30, 2010.