As has been reported on Wednesday, the U. S. Transportation Security Administration posted a document online, via pure accident, which contained secrets related to passenger screening practices across all airports. Posted on the Federal Business Opportunity website, the TSA operating manual appeared online in March.

The 93 page document details technical settings of various airport X-Ray machines and explosives detectors and other details regarding screening of passengers and luggage, in addition to containing pictures of credentials used by the country's lawmakers, CIA employees and air officials, while also describing when some particular firearms are permitted past the checkpoint.

"It increases the risk that terrorists will find a way through the defenses", said Stewart A. Baker, an ex-Assistant Secretary at the Department of Homeland Security. Many critics have shared that the document contains details of all the changes that were implemented post the September 11 attacks.

The TSA officials, while confirming the lapse, have stressed that an internal review of the case is currently being carried out. "TSA has many layers of security to keep the traveling public safe and to constantly adapt to evolving threats. TSA is confident that screening procedures currently in place remain strong", the agency said.