Welcome back, my aspiring radio hackers! Antennas are often overlooked in the grand scheme of radio hacking but they play a crucial role in our capability to send and receive radio signals. Different antennas are optimized for different frequencies and in many cases, without a proper antenna you will likely be frustrated in your efforts. […]
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Welcome back my aspiring cyber warriors! Sampling is the process of converting a continuous signal into a discrete signal. In the context of radio signals, sampling is the process of converting an analog radio signal into a digital signal. Remember, the original signal is all analog but our computer systems are all digital. Sampling enables […]
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Welcome back, my aspiring RF hackers! Among the multitude of radio signals swirling around us everyday are the mobile telephone signals that all of us have become so dependent upon. Mobile networks use several different technologies including GSM, CDMA, TDMA, 4G, LTE, 5G and many others. For almost two decades now, law enforcement around the […]
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The situation has become even more desperate in recent days. The Russians are shelling cities indiscriminately killing women and children. They are now narrowing in on Kyiv and the mayor has imposed a two day curfew in anticipation of heavy fighting. The cyber war against Russia is entering Round 2. The first round was won […]
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Welcome back, my aspiring RF hackers! Although few people still use pagers, they were once a common communication device used by many industries to notify employees, contractors and others of urgent information. Pagers are a wireless telecommunication device that sends and displays alphanumeric and voice messages. These pagers, once the state-of-the-art mobile communication system, are […]
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Welcome back, my Mr. Robot aficianados! In Season 2 of Mr. Robot, the FBI is on the trail of Elliot and f/society for the 5/9 hacks that crippled Evil Corp and the global economy.The FBI is investigating inside Evil Corp and Elliot must develop a way to hack their phones to eavesdrop on their conversations. […]
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Welcome back, my aspiring radio hackers! Software Defined Radio (SDR) is one of the little-known, leading edges of cybersecurity! If you have not read SDR for Hackers, Part 1 and Part 2, please do so now. There you learn how to setup and install your inexpensive software defined radio (SDR) hardware and software as well […]
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Welcome back, my aspiring cyber warriors! In recent years, the ability to receive and send radio signals from your computer has become a reality! This has become to be known as Software Defined Radio (SDR). With this capability has come to the ability to capture, decode, replay and hack these signals with all the power […]
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Welcome back, my aspiring RF hackers! In part 1 of this series, we set up the HDSDR software and the RTL-SDR hardware to work together to create our software-defined radio. Now that we have those elements functioning, let’s use our radio initially for some simple, basic radio signal capture such as your local FM radio […]
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Our smartphones are the reservoirs of our life. They contain so much personal and business information that anyone who can get into our smartphones will lay our life bare. It is clear that some national governments and employers are now spying on our smartphone activity. If one can compromise our cell phones they basically have […]
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