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End-to-end encryption and CSAM detection

The impact of end-to-end encryption on the detection of child sexual abuse material (CSAM) and the potential consequences of proposed solutions such as client-side scanning and mandated backdoors.

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Jan 15, 2026
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How do encryption and anonymizing technologies affect law enforcement’s ability to detect CSAM online?

End-to-end encryption and anonymizing tools meaningfully reduce platforms’ and investigators’ ability to detect and triage known child sexual abuse material (CSAM) because they block server-side hashi...