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Hash-matching for CSAM Detection

The use of hash-matching technology to detect and remove known child sexual abuse material (CSAM) from online platforms.

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Jan 15, 2026
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How does hash-matching work to detect CSAM and what are its limitations?

Hash-matching detects known child sexual abuse material (CSAM) by converting images or video frames into compact digital fingerprints (“hashes”) and comparing them to curated databases of verified CSA...