Sentence examples for covert communications from inspiring English sources

The FBI also discovered covert communications equipment.

The UK's covert communications monitoring service, GCHQ, has joined Twitter.

But he added: "I hope they do not confuse the use of public propaganda through social media by extremists with the use of the covert communications.

Even if the government is able to shore up its networks against attack -- one of many goals set forth by the intelligence reform bill passed last week -- the ability of terrorists and other dark elements to engage in covert communications online remains a daunting security problem, and one that may prove impossible to solve.

It is also a battle in which the technologies most needed are among those the military and its suppliers are least likely to discuss publicly, such as covert communications systems, easily concealed sensors or cameras that could be planted in remote regions and monitored from space.

Recently, audio steganography has become an important covert communications technology.

The featureless characteristics of the transmitted waveform in the noise modulated covert communication system ensure the security of communications.

But by 2004, it was possible to send high-speed, encrypted messages directly and instantaneously from CIA headquarters to agents in the field who were equipped with small, covert personal communications devices.

For low SNR which is typical of the covert UWA communications, small variation in diversity order can be meaningful.

Kim later allegedly told the FBI that it was "the Reporter's idea to use covert e-mail communications as a means of compartmentalizing the information and a way for Mr. Kim to 'feel comfortable talking,'" according to the FBI search warrant affidavit.

The most contentious issue remaining was the failure of the officers to record communications during covert operations, or to fit audio visual recording devices in covert armed response vehicles.