You can find high-quality MP3 (Android) and M4R (iPhone) versions on popular ringtone repositories:

Mobiles24 provides free downloads for "Don't Touch Me" tones.

Zedge offers multiple variations of the "Don't Touch My Phone" audio.

If you want a visual deterrent for anyone snooping around your device, a dedicated wallpaper is the way to go.

Fringster and Ring2mob are also reliable sources for custom alert sounds. 2. "Don't Touch My Phone" Wallpapers