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Software Defined Radio

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Software Defined Radio  Part 1   SDR is Software defined Radio is used for the to Capturing and analyzing the various radio frequency signals , we can monitor and transmit the signals also , according to security reasons i am not showing transmission of open source  signals but soon i will update how to pentest the replay attacks of key fobs and smart door lock systems. what we going to discuss 1. Introduction about Radio And Software Defined Radio 2. Various types of devices 3. Antennas 4. Radio waves 5. Capturing the FM Signals And Analyzing Requirements: 1. Software Defined Radio (SDR) 2. Antenna 3. GQRX software for Linux , windows - SDR software 4. Gnu Radio Companion 5. Computer Radio: Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating some property of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, pha...

Surfing Network build on TOR / VPN Raspberry pi 3

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                          Browsing Anonymously By  Nirmal Balaji In the latest technology people used to bring the smart devices like laptops mobile phones and    tablets. people used to connect the various methods to access the internet. The most challenging one in the society is security but nowadays   is not secured . like there are many reasons while transferring the data from the one computer to the another computer the encrypted format is not available only the few people who are knowledgeable they can understand the things and secure  the network. nowadays only the point level are secured. remaining all unsecured .Network may take away our freedom    of    browsing   by blocking the different websites. all these problems can be solved by setting up the VPN network   means virtual private network virtual private network is encryption th...