Some 492,000 MinIO Hosts Found Online, Exposing Object Storage Risks
A ZoomEye index snapshot from October 2026 found 492,113 hosts whose page titles match MinIO, versus 261,617 by application fingerprint. The gap is attributed to the product's console and API surfaces responding differently to scans, plus MinIO being bundled inside other software. The counts reflect detectable fingerprints, not open buckets, since public indexes cannot enumerate bucket contents. The analysis stresses that object stores accumulate historical data such as old backups and dumps, that bucket policies are easy to misconfigure, and that anonymous reads leave few traces. Organisations are advised to audit their own address space, distinguish console exposures (a credential risk) from API exposures (a data risk), and check log retention.
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