The late finish of many Olympic sites also delayed the installation and testing of security equipment.
This will help the airports collaborate on issues like the testing of security screening equipment.
Greg Hoglund, the company's co-founder, says most testing of security software is akin to testing a car by driving it on a straight, flat road.
Although Mr. Kallstrom did not provide details about the new safety precautions, he said they included more frequent testing of security measures and better coordination among law enforcement agencies.
Although the F.A.A. does not release the results of tests of security systems, the G.A.O. said that Federal Aviation Administration officials had acknowledged that their own tests of guards and checkpoints had shown that they did not work satisfactorily in detecting dangerous objects.
But aside from the failure to complete the facilities on time -- a serious shortcoming that will not allow for testing of security measures -- the steps being taken by the Greeks to prevent a terrorist attack are extraordinary, quite probably without equal for a public event.
In those cities, the stadiums were far enough along to hold several big events, including the world track and field championships in Barcelona and the National Rugby League finals in Sydney, permitting real-life testing of security systems, as opposed to the mock exercises predominately used here.
Finally, the Security Onion distribution is introduced, along with step-by-step instructions on the installation, initial configuration, and testing of Security Onion.
PCWorld's tests of security software put Norton Internet Security 2009 in first place.
And there must be comprehensive, ongoing testing of security measures before and after deployment of cloud solutions.
