Michal Zalewski is a computer security specialist and an avid tinkerer with more than three decades of experience in electronic circuit design. He runs a popular, in-depth electronics blog and has published a number of hardware projects featured on Hackaday and in other venues. He spent more than a decade at Google building its product security program and later served as VP of security and privacy engineering at Snap Inc. He is also the author of two classic information security books-The Tangled Web and Silence on the Wire-along with Practical Doomsday, a guide to level-headed emergency preparedness (all from No Starch Press).