Hide Your Wi‑Fi: Stop Your Router from Being Mapped by Big Databases
The article explains how smartphones quietly broadcast your router’s BSSID to Wi‑Fi Positioning System databases used by Apple and Google for fast location fixes, exposing your exact location and making you trackable. It advises opting out by adding _nomap to your SSID (or changing the name entirely), updating passwords, and then reconnecting all devices. It also guides how to access router settings (usually via the gateway 192.168.1.1) to modify the SSID and credentials.