SIGINT -Signal Intelligence

SIGINT is abbreviated from SIGnal INTelligence. It is one of the major forms of intelligence. Signals Intelligence satellites are designed to detect transmissions from broadcast communications systems such as radios, as well as radars and other electronic systems. The Interception of such transmissions can provide information on the type and location of even low power transmitters, such as hand-held radios. However, these satellites are not capable of intercepting communications carried over land lines, such as undersea fiber optic cables.

Signals Intelligence (SIGINT) comprises of Communications Intelligence (COMINT), which is directed at the analysis of the source and content of message traffic. While most military communications are protected by encryption techniques, computer processing can be used to decrypt some traffic, and additional intelligence can be derived from analysis of patterns of transmissions over time. Electronic Intelligence (ELINT) is a devoted analysis of non-communication electronic transmissions. This would include telemetry from missile tests (TELINT), or radar transmitters (RADINT).

Signal detection

Even if a signal is human communications (e.g., a radio), the intelligence collection specialists have to know it exists. If the targeting function described above learns that a country has a radar that operates in a certain frequency range, the first step is to use a sensitive receiver, with one or more antennas that capture signals in every direction, to find an area where such a radar is operating. Once the radar is known to be in the area, the next step is to find its location.

If operators know the probable frequencies of transmissions of interest, they may use a set of receivers, preset to the frequencies of interest. These are the frequency (horizontal axis) versus power (vertical axis) produced at the transmitter, before any filtering of signals that do not add to the information being transmitted. Received energy on a particular frequency may start a recorder and alert a human to listen to the signals if they are intelligible (i.e., COMINT). If the frequency is not known, the operators may look for power on primary or sideband frequencies using a spectrum analyzer signals. Information from the spectrum analyzer is then used to tune receivers to the signals of interest. For example, in this simplified spectrum, the actual information is at 800 KHz and 1.2 MHz.

Direction-finding

The earliest, and still common, means of direction finding is to use directional antennas as goniometers so that a line can be drawn from the receiver through the position of the signal of interest. HF/DF knowing the compass bearing from a single point to the transmitter does not locate it. Where the bearings from multiple points, using goniometry, are plotted on a map, the transmitter will be located at the point where the bearings intersect. This is the simplest case; a target may try to confuse listeners by having multiple transmitters, giving the same signal from different locations, switching on and off in a pattern known to their user but apparently random to the listener.

Individual directional antennas have to be manually or automatically turned to find the signal direction, which may be too slow when the signal is of short duration.

Traffic analysis

It is the study of who is signalling whom and in what quantity. When locations are known, usage patterns may emerge, and inferences are drawn. Traffic analysis is the discipline of drawing patterns from information flow among a set of senders and receivers, whether those senders and receivers are designated by location determined through direction finding, by addressee and sender identifications in the message, or even MASINT techniques for “fingerprinting” transmitters or operators. Message content, other than the sender and receiver, is not necessary to do traffic analysis, although more information can be helpful.

Events and Shows

Events and Shows

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MILIPOL Paris 2017

Nov, 21 2017 - Nov, 24 2017

Stratign FZE is pleased to announce its participation in upcoming Milipol PARIS 2017, the leading event dedicated to homeland security. The 20th edition will be held on 21 – 24 November 2017 at Paris-Nord Villepinte Exhibition Centre. Stratign FZE is looking forward to showcasing a wide range of products, advanced technologies and latest services at […]

MILIPOL Asia Pacific 2017

Apr, 4 2017 - Apr, 6 2017

Stratign FZE is pleased to announce its participation in upcoming Milipol ASIA PACIFIC 2017, the leading international exhibition of homeland security in Singapore. The 7th International of Homeland Security will be held from 4 April 2017 – 6th April 2017 at Marina Bay Sands, Singapore. Stratign FZE is looking forward to showcasing a wide range […]

Milipol Qatar 2016

Oct, 31 2016 - Nov, 2 2016

Stratign FZE is pleased to announce its participation in Milipol Qatar 2016, the leading international exhibition dedicated to homeland security in the Middle East. The 11th edition of the show will be held from 31 October to 02 November 2016 at the Doha Exhibition and Convention Center (DECC) of Doha, Q

ISS World South Africa

Jul, 10 2016 - Jul, 12 2016

Stratign FZE is pleased to announce its participation at ISS World 2016, the world’s largest gathering of Southern Africa Law Enforcement, Intelligence and Homeland Security Analysts as well as Telecom Operators responsible for Lawful Interception, Hi-Tech Electronic Investigations and Network Intelligence Gathering. The exhibition will be held at Sandton Convention Centre Johannesburg, South Africa from 10th to 12th July, 2016.

Milipol Paris 2015

Nov, 17 2015 - Nov, 20 2015

Milipol Paris 2015 actively supports new entrepreneurs and innovation by organising the very first edition of the Milipol Startup Challenge. Startups are currently the main players for innovation and progress. The contest will reward the startup that will present the most innovative Cyber solution in the fight against crime.

Milipol Qatar 2014

Oct, 20 2014 - Oct, 22 2014

Stratign FZE recently participated in Milipol Qatar 2014, Stall No. B 148 at Doha Exhibition Centre from 20th to 22nd October, 2014. The biennial event staged its 10th edition this year, bringing huge success for Stratign FZE.

DSA 2014 – Kaula Lumpur, Malaysia

Apr, 14 2014 - Apr, 17 2014

Stratign FZE successfully participated at the DSA 2014, the 14th Defense Service Asia Exhibition and Conference. The exhibition was held at PWTC, Kuala Lumpur in Malaysia from 14th to 17th April 2014. Some of the key features of this event included Cyber Security, Chief of Army roundtable talks and live demonstrations. In addition to this, […]