Explore electromagnetic side-channel attacks and potential countermeasures in this 28-minute lecture by Tristen Mullins from the University of South Alabama. Delve into cryptographic algorithms, power versus electromagnetic side-channels, and localized electromagnetic analysis. Learn about differential EM analysis, trace collection techniques, and the importance of probe placement and pre-processing. Discover methods for aligning traces, including static alignment, and examine various side-channel countermeasures. Gain insights into EMA countermeasures, spatial randomization for localized EM, and moving target defense strategies. Conclude with an overview of ongoing work in this critical area of cybersecurity.