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CSAM Detection in Encrypted Channels

The detection of Child Sexual Abuse Material (CSAM) in encrypted channels and the methods used by platforms to identify and remove such content.

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Jan 19, 2026
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What technical methods do companies use to detect CSAM in encrypted versus unencrypted chats?

Platforms detect known CSAM in unencrypted channels primarily by matching uploaded files against databases of digital fingerprints (hashes) and by applying AI classifiers and metadata analysis to flag...