A security researcher made a tool that let them quickly check which of Cloudflare's data centers had cached an image, which allowed them to figure out what city a Discord, Signal, or Twitter/X user might be in.

A security researcher made a tool that let them quickly check which of Cloudflarex27;s data centers had cached an image, which allowed them to figure out what city a Discord, Signal, or Twitter/X user might be in.#News #Privacy

Cloudflare Issue Can Leak Chat App Users' Broad Location

A security researcher made a tool that let them quickly check which of Cloudflare's data centers had cached an image, which allowed them to figure out what city a Discord, Signal, or Twitter/X user might be in.

^{Joseph Cox (404 Media)}