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The use of client-side scanning technologies for detecting CSAM.
Platforms primarily rely on a two-tier technical stack to detect CSAM: hash‑matching (cryptographic and perceptual) to find known content, and to flag novel or altered material; supplementary approach...
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...
data protection authorities — meaning national DPAs, the and the — act largely as guardians and critics rather than as certifying engineers: they advise, issue guidance, demand impact assessments and ...
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...
use three broad models for handling users’ uploaded camera‑roll photos intended for private storage: true end‑to‑end encrypted storage where the provider cannot read files, server‑side scanning where ...
Courts have generally treated platforms that proactively scan private user content for CSAM more like private actors whose searches do not automatically trigger Fourth Amendment protections, but that ...