By Munir Kotadia, ZDNet Australia
Published on ZDNet News: May 4, 2005, 8:41 AM PT
Experts are warning people to be careful with electronic documents that contain sensitive data after a breach in which classified U.S. military information thought to be hidden in a PDF document was uncovered.
Portions of the document had been "blacked out" by electronic means. But apparently, it was possible for outsiders to copy and paste the blacked-out sections into another file--and see the text that had been hidden.
The document is a report written after an investigation into the death of Italian citizen Nicola Calipari at a checkpoint in Iraq. It contains both classified and unclassified information about what happened at the traffic control points in Baghdad on March 4, the day of the incident. The U.S. military has since removed the document from the Internet, but not before it was copied and republished on several Web sites.
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