They want phones with top-tier security such as Silent Circle's Blackphone, CipherTalk, or the more controversial Phantom Secure BlackBerry.
Additionally, it encompasses the requirements for better security management and suggests 3-tier security architecture.
In this paper, we develop a three-tier security architecture for storing multimedia files which include role base access control, encryption, and signature verification.
"If we're going to build a top-tier security firm, we have to do things differently...
But most security precautions pale when compared to the 7 East International Unit, located at Sibley Memorial Hospital, overlooking the Potomac River in northwest Washington, D.C. Designed in consultation with the U.S. State Department, 7 East has a two-tier security system, with two separate camera-ready surveillance rooms, able to ac- commodate government security forces and private bodyguards.
The cast and crew were provided with two-tier security coverage by the Central Reserve Police Force (CRPF) and the Jammu & Kashmir Police, due to unrest in the valley.
The immigrants employed by Chinese-government projects lived in cookie-cutter rooms inside makeshift townships close to their work sites, guarded by three-tier security.
Richard Fadden, who holds the top-tier security job, was hand-picked by the prime minister and had formerly run Canada's main spy agency.
In addition, researchers have also developed a three-tier security fence to safeguard the data, and created an encoding mechanism that ensures the data can't be disturbed by mutations in bacterial cells.
"As a result of our ongoing investigation, which included assistance from a top-tier security firm, we have no reason to believe there has been any loss of credit card or consumer data," the Denton, Texas, company said in a statement.
