Announcing the CSAM Scanning Tool, Free for All Cloudflare Customers
Dec 18, 2019Justin Paine, John Graham-Cumming
Summary
Introduced the CSAM Scanning Tool, a new feature available to all Cloudflare customers. This tool leverages fuzzy hashing (PhotoDNA) to automatically detect and block child sexual abuse material (CSAM) on customer websites. It provides automated notifications, blocks access with a 451 status code, and supports legal reporting obligations. The tool runs on Cloudflare's infrastructure, not distributed to users, and aims to balance detection accuracy with resource limitations by offering configurable thresholds for fuzzy hash comparison.
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