Most often, it's a simple user error. When setting up a camera for remote viewing, many people enable a feature called on their router. This "punches a hole" through the firewall, allowing anyone on the internet to request access. If the camera's default password remains unchanged (e.g., admin/admin ), the camera is completely open for anyone to view. Additionally, the Universal Plug and Play (UPnP) feature can automatically open these ports without the user's knowledge, creating an even larger security risk.
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