dev.to· Oct 29, 2026· by silentesim

What a data-only eSIM provider can actually see about you

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EID, ICCID, IMSI, IMEI and the LPA string in your QR code: who sees each one, and what no-KYC can and cannot hide.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#privacy#security#mobile#networking