42% of 159 used drives bought on eBay in four countries held sensitive residual data, in a 2019 study sponsored by Blancco (recovery analysis by Ontrack)
42%observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Small vendor-sponsored consumer-resale sample; not a data-center ITAD rate |
| As of | 2019 |
| Source | Blancco Technology Group study · Headline and study results: 42% of 159 used drives purchased through eBay contained sensitive data |
| Review | checking…review by 2027-10-16 · slow cadence |
| Recorded changes | last 2026-06-29 |
| Claim id | of-used-drives-resold-on-the-secondary-market |
Where the guide uses it
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