The scanners' own numbers
Providers scanning under Chat Control must report on it, and the Commission compiles the results. Everything on this page is from COM(2025) 740 (27 November 2025) — the EU's own accounting of the scanning it permits.
Reports about the EU are falling…
NCMEC reports concerning the EU, in millions.
…while the files inside them exploded
Images, videos and other files contained in those reports, in millions — fourteen times more files in 2024 than 2022, inside fewer reports.
The E2EE effect
Reports by service type, in thousands. Reports from chat, messaging and email scanning collapsed by two-thirds after Meta turned on end-to-end encryption for Messenger in December 2023 — from 68% of everything reported about the EU to 36%.
chat, messaging or email services social media or gaming platforms
What the scanners get wrong
Error ratios (false positives), as tabulated in the report — each provider measures errors differently, which the Commission itself flags as a problem.
| Provider | 2023 | 2024 | What the ratio measures |
|---|---|---|---|
| 1.14% (18 : 1,576) | 0.54% (10 : 1,834) | Items automatically flagged as CSAM that human review did not confirm — hash-matching technology. | |
| 0% (0 : 0) | 0% (0 : 0) | Account actions reversed relative to appeals against account restrictions. | |
| Meta | 0.32% (11,600 : 3.6M) | 0.12% (1,800 : 1.5M) | Content items restored and account actions reversed relative to actioned items. |
| Microsoft | n/a | n/a | “Microsoft indicated that the data was insufficient to calculate an error rate.” |
Read both columns of Meta's row: 0.12% sounds small, and it also means 1,800 wrongly-actioned items in 2024 (11,600 in 2023) — both things are true. The report's own summary: flagged material is "overwhelmingly confirmed" on human review, and "a small fraction may turn out, upon human review, not to be CSAM."
The Commission's own caveats
The report notes "considerable disparities in the reporting" by both providers and member states, calls for "greater standardisation", and says the gaps between NCMEC data and member-state data "have significant shortcomings". Several member states reported no usable statistics at all. The numbers on this page are the best public accounting that exists — and the EU's own report says it isn't good enough.
Method
Figures extracted from the official PDF of COM(2025) 740; European decimal notation normalised. The five reporting providers and their statuses are on the checker; the exact sentence naming them is quoted in this note. Spot an extraction error? Open an issue — corrections are published.