, most experts recommend using legitimate, low-cost, or even free-tier versions of reputable POS software: Square POS

For context, "OffPos" was shorthand for , a glitch-hunting group from the Winamp and peer-to-peer era. They didn't look for screen tears or collision errors. They looked for "negative space"—coordinates in 3D rendering engines that the camera was never supposed to see.

: Once installed on a business computer, the software may function normally for a few weeks. However, in the background, it can: Steal Customer Data