In today’s challenging security environment, Governments need to monitor conversations, fax and email messages and other data transmitted across satellite networks for national and international communications. Whilst most satellite communications are perfectly legitimate, the extensive geographical coverage provided by satellite communications networks means they are favored by subversive groups in remote regions.
VSAT Interception System
Turnkey VSAT Communication Interception system is a VSAT Interception system designed for the real-time collection and traffic analysis of Very Small Aperture Terminal (VSAT) satellite networks.
The VSAT communication interception system will provide owners of Satellite Communication Systems from various manufacturers such as GILAT, VIASAT, HNS, ANDREWS VSAT Networks the capability to perform auditing of subscriber usage and overall systems traffic analysis of targeted Data, Voice, and multimedia Data.
The proposed VSAT communication interception system is based on a modular hardware and software architecture allowing the customer the flexibility of processing multiple channels simultaneously. The proposed system provides a Graphical user Interface for all System functions such as equipment control, processing control, system interception, and creation, storage and retrieval of database results.
- The VSAT Interception system is a total Integrated and Engineered solution for the purpose of Interception, analysis and processing of multiple Target VSAT stations from one remote site.
- Passive Interception and Analysis Architecture for Target VSAT communications.
- Simultaneous Interception of 4 - 52 channels and signal decoding for SCPS DAMA VSAT Communication. The Decoding will involve Voice/FAX/DATA/Text output.
- In the case of TDM-TDMA networks, the system provides generic Interception and processing capability for inbound/outbound traffic.
- The NMS at the interception center is a total duplication of Target VSAT's NMS, and will include Terminal/Remote Station Capabilities. Activity Factor details, Call Related Information, and Frequency Allocation details are also duplicated in the NMS.
- The NMS will be integrated with the GUI, where the station initiating the call and the called station details/ call pairing and content recording is controlled.
- The Target VSAT networks Demodulator and Decoder are proprietary for each target network and its corresponding service provider.
- The Demodulator and decoder are configurable to handle any non -proprietary/Target VSAT equipment supplier's protocol, and can provide real-time decoding for the same. In the case of proprietary/customized protocol, Stratign can customize the decoder to handle these protocols in real time.
- The Back-end processing system provides capability to the user to process the intelligence gathered in the form of Voice/ Fax/ Data/ Text using various Speech /Fax and text Processing tools (like topic spotting, speaker ID. Language ID, Text summarization etc.)
Satellite Turnkey Interception System
In today’s challenging security environment, Governments need to monitor conversations, fax and email messages and other data transmitted across satellite networks for national and international communications. Whilst most satellite communications are perfectly legitimate, the extensive geographical coverage provided by satellite communications networks means they are favored by subversive groups in remote regions. Thus, Satellite interception system is a basic requirement for countrywide intelligence collection operations.
The proposed Satellite Interception System will provide the intelligence agencies all Satellite transported information by all the countries coming in the same satellite spot beams.
Satellite Interception System is an Automated Satellite communication traffic reception, demodulation, and decoding system. The Satellite Interception System is a powerful platform for Government and Intelligence Enterprises to monitor communication traffic in a totally passive mode. The Satellite Interception System provides the Government and Law Enforcement agencies a highly sophisticated automated tool for conducting near real time analysis of Satellite Communication channels of interest.
The Satellite Interception System will provide an automated platform for the Intelligence agencies to conduct passive collection of satellite transported information and achieve plain Voice/ fax and data information. In case the transported information is encrypted, the Satellite Interception system will provide encrypted raw output. Decryption is not part of this system and should be treated as a separate activity altogether.
Satellite Interception System provides its users with a fast Satellite data acquisition and Online Demodulation. The system has a Carrier Interception application integrated for finding new targets and achieving all necessary measurements. The system has been adapted in a manner to perform online DCME Analysis for current and new DCME systems being adapted by various subscribers globally.
Once the Satellite interception system is tuned to any of the satellite uplink and downlink frequency, all satellite information transported by these countries will be present for the interception. The user can then, based on his experience of using the carrier interception system, has to select the channel of the country of interest and tune the receiver to receive that channel of interest. The system will automatically demodulate the satellite signal and adapt the decompression scheme for extracting Voice/Fax and Data outputs for the intelligence operatives to view and act in accordance with the requirements.
The system mainly consists of two components
- Carrier Interception System
- Content Interception System
Carrier Interception System:
The carrier interception system is responsible for finding new satellite targets and carrying out the required measurements.
Content Interception System:
The Content interception system is responsible for tuning the reception systems to the newly discovered target of carrier interception platform. This platform is also responsible for converting the C-band reception into L-band via LAN and feed to the Demodulators for conversion of baseband into G.703 E1’s. On the basis of measurement and traffic parameters and evaluation, the compressed E1’s are routed to the DCME Analysis Workstations, which can take 2 E1’s and provide online analysis.
The Content interception system has been designed to take a minimum of 60 traffic channels from 2 E1’s in case there is no DCME present. In the case of DCME, the Maximum Voice / Data 64Kbps channels can be 1200 (in the case of DTX 600).
The Satellite Backend Processing system provides Logging of up to 32 E1’s in one chassis and provides online analysis of SS7 signaling and GSM-based protocol for the purpose of decoding GSM Encoded voice and SMS traffic. The Satellite Backend Processing system provides online IP and FAX decoding and reconstruction into HTTP, E-mail, Chat and Fax OCR image. Multiples systems can be stacked together to provide a larger networked storage and processing structure.
The Satellite Backend Processing system come along with a recording Interface and a Terrabyte recording system for online storage of Intercepted communication on Cluster of RAID Drives for the purpose of secure archiving.
The whole network is connected using high-speed Gigabit LAN connectivity on Ethernet, which is configured in a manner to control all the components of STR 3412. The system provides hierarchal control, as the task is divided into Test and Measurement, Acquisition, Interception and Post processing and Voice / Text Analysis
Upon successful decompression, the decompressed E1’s are fed into the Satellite Backend processing system. In case the E1’s are not compressed, then they are routed directly to the Satellite Backend processor.
The Interception and Post processing Platform provides total control of Satellite Back End Collection and Processing system. All the E1’s be it compressed or non – compressed are routed to this system for post processing of SS7 signals. The system is based on standard ETSI model, designed to work as a backend processor for satellite interception systems. The system is designed to accept standard SS7 signaling from satellite interception front-end systems like the open communication mode (non-compressed or compressed mode) where the signals are sent over satellite through DCME compression. The system is capable of Correlation of call content and signaling information, CDR production and archival in the database, filtering based on specific call and calling number, search for live call trace of specific targets, voice recording, and playback.
The offered system currently handles only C-band and 2 Input channels. In case the customer wishes, another band (Ku) can be added at extra cost. We would also like to mention that the system will only intercept, decode and decompress information and in no way will handle any decryption of any encrypted channel. In case an encryption channel is encountered, the system will provide the encrypted output. Creating an online/offline decryption facility will be a separate endeavor than the current proposal.
- The system will be capable of finding satellite communications taking place in the area of interest
- The system will be capable of intercepting both uplink and downlink frequencies in C-band. (optional Ku-band can be added at extra cost)
- The system will be able to monitor compressed or non-compressed E1 satellite trunks
- The system will be capable of intercepting voice, fax and IP Data communications taking place in these trunks.
- The system will be able to record and replay intercepted voice, fax and IP data
- The system will be capable of archiving all intercepted communications for a limited period of time.
- The system will consist of workstations for the user to access the intercepted communications.
- Additional Ku-band capacity.
- Additional C and Ku-band antenna.
- Offline Analysis Capacity.
Processing of all channels in real time is next to impossible until and unless we have a similar number of workstations and manpower available. Hence, optionally the system can be equipped with a variety of features for analysis, these include Text and Speech Analysis Functions based on strong Military grade algorithms to filter intercepts on the basis of word and topic spotting, language parameters and all other relevant statistical database like speaker and language/accent identification.
The system design is generic and it can be expanded to cater for multiple E1’s offering seamless future expansion if required.
Customized Solutions for Satellite Interception System
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