Use a track lock. One method of preventing the door panel from being opened on a sliding glass door is to block the tracks so the door can’t slide open.

The Wayzn Sliding Glass Door Opener was a big hit at CES 2020 for its innovative design and function. It can open sliding glass doors from afar or be set up so your pet can open them to go outside.

Sliding doors and windows can be easy access points for home intruders, but there's a simple device that can secure these entries to your home.