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IEEE/ICACT20260106 Slide.09        [Big Slide]	Oral Presentation
	Data Leakage: If NFC payloads or metadata are insufficiently encrypted, adversaries can intercept transaction data using specialised equipment within range of the POS. Tracking via Identifiers: Persistent IDs or static tokens allow merchants or malicious third parties to correlate transactions over time. Backend Data Exposure: Cloud token synchronisation, TSM compromise, or misconfigured APIs can leak user account details even when the NFC channel is secure.

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