Sentry · guided offline helper
Something is wrong. Let us take it one question at a time.
Sentry runs entirely on your device. It sends nothing anywhere, it needs no signal, and it will not pretend to know what happened to you.
Before you begin
Before anything else
If anyone is hurt or in danger, or there is a fire, gas, medical or vehicle emergency, call 911 or your local emergency number first. Evidence can be recreated. People cannot.
What Sentry is, and is not
Sentry is a calm second head during a bad hour. It is not a diagnosis, not legal advice, and not a guarantee. An anomaly is a reason to verify, never proof of an attack. When the situation is serious, involve a professional responder and law enforcement.