They send a video tutorial showing you how to go into your browser’s developer tools, click the Network tab, and "Save as HAR" .
A scammer contacts you (often on Discord) offering to make a free GFX (high-quality 3D render) of your avatar. roblox.har
In the context of Roblox, a (HTTP Archive) is a log of a web browser's activity used primarily for troubleshooting network issues. However, it is also central to a dangerous account theft scam because it contains your account's session cookies , including your ".ROBLOSECURITY" token . The Roblox .HAR Scam They send a video tutorial showing you how