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External reviewer supplying a finite reference-list audit and correction notification
Concentrix is the named attestation author for a 2023 review of a particular NCMEC hash list. Its report describes review of 538,922 unique files between 16 October and 8 December 2023. NCMEC later credited the audit as donated professional services.
The attestation identifies 59 exceptions: fifty files judged outside the stated definition, five cartoons or anime also outside it, two unplayable videos and two uncertain ages. Concentrix says it notified NCMEC and was told all 59 were removed within five business days. The reported 99.99% agreement applies to that reviewed list and version. NCMEC valued the donated service at $300,000, with no separate currency annotation in the retained account. No independent deletion log, recipient-wide correction record or complete audit workpapers were acquired.
Concentrix — audit provider → National Center for Missing & Exploited Children
2024-04-15 – 2024-04-15
NCMEC reports donated audit services valued at$300000; in-kind recipient valuation, not cash payment. Dollar currency not separately annotated in packet. Financial details: value: 300,000; currency: unknown; kind: reported in-kind valuation; period: Audit described April2024
Concentrix — audit provider → 2023 NCMEC list audit / reported correction
16 October–8 December 2023
538922 unique files reviewed16Oct–8Dec2023.59 exceptions:50 judged outside stated definition,5 cartoons/anime also outside,2 unplayable videos,2 uncertain ages.99.99% concerns that list/version only.
Page3 says Concentrix notified NCMEC and was told that NCMEC removed all59 in less than five business days. This is a concrete auditor-reported correction notification, not an independently observed deletion log or proof of recipient-wide correction. Reported99.99% agreement concerns that reviewed list/version; it is not all NCMEC environments or future datasets. The entire audit contract, workpapers and downstream acknowledgements remain unacquired.
Read the research & sources ↗Reference hashes: permissions, retraction and an actual audit response ↗
Concentrix — audit provider → attested a finite two-review audit → 2023 NCMEC list audit / reported correction
16 October–8 December 2023
Reported by the cited source
538922 unique files reviewed16Oct–8Dec2023.59 exceptions:50 judged outside stated definition,5 cartoons/anime also outside,2 unplayable videos,2 uncertain ages.99.99% concerns that list/version only.
Concentrix — audit provider → was credited with a donated audit valued at $300000 → National Center for Missing & Exploited Children
2024-04-15 – 2024-04-15
Reported by the cited source
NCMEC reports donated audit services valued at$300000; in-kind recipient valuation, not cash payment. Dollar currency not separately annotated in packet.
Financial details: value: 300,000; currency: unknown; kind: reported in-kind valuation; period: Audit described April2024