THECIDSEC https://thecidsec.com/ Independent thinking. Responsible research. Security, beyond the obvious. en Copyright 2026 THECIDSEC. Original editorial content; credited images retain their own licences. Beyond the Wire, Part 4: Signal Analysis and Modulation Identification https://thecidsec.com/beyond-the-wire/part-4/ https://thecidsec.com/beyond-the-wire/part-4/ Interactive FFT/windowing, constellation, and symbol-rate experiments with an evidence-led modulation workflow and a separate exportable analysis notebook. All plots use synthetic data, not hardware captures. Beyond the Wire, Part 3: Building Your First RF Security Lab https://thecidsec.com/beyond-the-wire/part-3/ https://thecidsec.com/beyond-the-wire/part-3/ A receive-side SDR workflow with interactive preflight checks, gain and clipping experiments, I/Q recording and metadata planning, troubleshooting, and a separate exportable experiment notebook. Beyond the Wire, Part 2: RF Fundamentals for Security Researchers https://thecidsec.com/beyond-the-wire/part-2/ https://thecidsec.com/beyond-the-wire/part-2/ Interactive lessons on frequency, power, bandwidth, digital modulation, antenna polarization, and real versus complex SDR sampling. Includes an exportable observation notebook and a separate knowledge check. Beyond the Wire, Part 1: Understanding RF Security https://thecidsec.com/ https://thecidsec.com/ A beginner-friendly field guide to the invisible attack surface, from frequency and modulation to SDR, message freshness, and responsible assessments. Includes interactive browser labs.