The phrase "a screen of security" is correct and usable in written English.
It can be used to describe a protective barrier or measure that provides safety or security, often in a metaphorical sense.
Example: "The company implemented a screen of security to protect sensitive data from potential breaches."
Alternatives: "a layer of protection" or "a shield of security".
The first investigation report of the private investigator, whose identity has been redacted by the immigration department, said: "We have been asked to investigate … the unauthorised release of a screen shot of Wilson Security BAE System and media releases of confidential information.
In 2008, Mr. Qadri nonetheless managed to join the Elite Force of Punjab police, and had been assigned to guard the governor, raising alarming questions about the vetting and screening of security personnel, former police officials and associates of the former governor said.
It requires that air cargo be screened at a level of security "commensurate" with the level of security for screening checked baggage.
But his name appears to be among some 13,500 on the larger "selectee" list, which sets off a high level of security screening.
India is an "incredibly dynamic market that will grow substantially in the next five to 10 years," said Stephen Phipson, president of Smiths Detection, a British maker of security screening equipment, who is among the executives accompanying Mr. Cameron.
"Until the Department of Homeland Security has conducted a full review of security screening measures and taken every necessary step to strengthen them, my administration will oppose any effort to resettle Syrian refugees in our state.
The attractive performance of the new microfabricated PB-based amperometric peroxide vapor sensor indicates great potential for addressing a wide range of security screening and surveillance applications.
Following the Sept. 11 attacks, Greyhound officials instituted a series of security measures, including random screening of passengers and carry-on luggage at many bus terminals around the country.
Now that the federal government has backed off the prohibition against curbside check-in at many airlines, some airport officials would like to see a rethinking of security-screening rules.
The crowd stretching off into the distance erupted in wild cheers when Barack Obama and his wife, Michelle, arrived at the memorial to take their seats behind a thick security screen of bulletproof glass.
