What should you do if the police show up at your door to seize your computer? If they ask for passwords or passphrases, do you have to turn them over? Can they search your phone if they arrest you during a protest? What about when you're crossing the border? Your computer, phone, and other digital devices hold vast amounts of sensitive data that's worth protecting from prying eyes - including the government's. The Constitution protects you from unreasonable government searches and seizures, but how does this work in the real world? This talk with help you understand your rights when officers try to search the data stored on your digital devices, or keep it for further examination somewhere else. The constitutional protections that you have in these situations, and what their limits are will be discussed, along with technical measures you can take to protect the data on your devices.