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Hash Matching and Private Search

The use of automated hash matching by electronic service providers (ESPs) to flag suspected child sexual abuse material (CSAM) and the implications for private search and subsequent law enforcement review.

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Feb 6, 2026

What distinguishes a CyberTipline referral from probable cause sufficient to obtain a search warrant in CSAM investigations?

A is an informational lead generated when an or a member of the public reports suspected to the ); it is treated as an investigative starting point, not as proof of criminality . Probable cause for a ...