I would be more worried that someone would kill me in order to get the documents released than I would be that someone would kill me to prevent the documents from being released. Any real-world situation involves multiple adversaries, and it’s important to keep all of them in mind when designing a security system.

—Bruce Schneier, in response to Edward Snowden having a “dead man’s switch” that would release all of the documents he stole if anything happens to him.