Explainers9 min read
Dead man's switch false alarms: how they happen and how to prevent them
A dead man's switch is safe when a missed check-in can't send anything on its own. False triggers usually come from lost email access, spam filters, hospital stays, travel or a changed phone; layered reminders, a trusted verifier, a soft alert, a grace period and pause mode stop them, and letters written to be okay if they arrived early add a final layer.