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The original was posted on /r/homeassistant by /u/Commercial_Police on 2026-05-12 22:04:19+00:00.
For months, my house felt haunted. Lights randomly flickered on and off. I’d walk into a room, and the lamp would turn on like it was greeting me. At first I thought it was a wiring issue, so I called an electrician. He found nothing. Then I blamed the smart bulbs. Returned three sets, thinking they were defective.
Then things escalated. My thermostat would crank up to 80 degrees in the middle of the night. My coffee maker brewed at 3 AM. I even caught my robot vacuum doing donuts in the living room at midnight. I was ready to call a priest.
Then, one morning I opened my smart home app and saw that every single device had been renamed to "Secure your MQTT". I don’t know what it is but I set a password. I hope securing it helps. Will see.
Jason