Issue dossier
HITCON's official events page names an embedded NTAG215 NFC chip and phone-tap collectible-card exchange, and the organizer's closing update confirms NFC Battle ran. Neither source discloses UID or memory use, NDEF/content format, tag configuration, read/write permissions, card protocol, app/backend, account linkage, authentication, encryption, anti-cloning measures, scan logging, personal-data handling, retention, deletion, privacy notice, threat model, or security review.
A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.
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NFC data, protocol, privacy, and security boundary · official NFC Battle programme and organizer closing update · NTAG215 and completed exchange activity documented; implementation unreleased
The record exposes the completed NFC interaction without implying a specific protocol, data model, privacy practice, security property, reader/writer capability, or safe handling guidance.
- Badge
- HITCON 2026 NTAG215 NFC Attendee Badge
- Category
- NFC data, protocol, privacy, and security boundary
- Severity
- note
- Confidence
- official NFC Battle programme and organizer closing update
- Status
- NTAG215 and completed exchange activity documented; implementation unreleased
- Timeframe
- reviewed 2026-09-18
- Source note
- HITCON 2026 events page, NFC Battle description, and HITCON / @HacksInTaiwan closing update.
Evidence
Related Resources
official badge activity page
HITCON's official events page says every attendee badge embeds an NTAG215 NFC chip and describes the phone-tap card-exchange activity. It does not publish tag configuration, payload format, application details, access-control behavior, privacy terms, security model, or a 2026 PCB/firmware specification.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge
official event page
HITCON's official conference page gives the August 21-22, 2026 dates and the Humanities and Social Sciences Building at Academia Sinica venue. It establishes event context, not badge construction, allocation, firmware, or image rights.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge
official organizer account
HITCON's official @HacksInTaiwan account posted an August 22 closing update that refers to NFC Battle in the past tense and says the gathering was ending. It establishes completed-event and activity context, not individual badge receipt, quantity, technical implementation, or image reuse.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge
official organizer ticketing
The organizer-linked KKTIX page identifies HITCON 2026 ticket-package conditions, names an attendee badge, and retains the now-ended onsite sales window. It does not establish a complete all-tier allocation ledger, final physical form, credential behavior, or completed handoff.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge
Source trail
Evidence Sources
Association of Hackers in Taiwan (HIT) / KKTIX · retrieved 2026-09-18
Primary organizer-linked ticketing source whose published package conditions name an attendee badge and whose observed onsite sales window ended August 22. It does not prove a final allocation ledger, all-ticket-tier eligibility, physical construction, or access-control role.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge
HITCON · retrieved 2026-09-18
Primary official source for the August 21-22, 2026 conference at Academia Sinica. It supports event context only and does not provide attendee-badge technical specifications.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge
HITCON · retrieved 2026-09-18
Primary official programme source stating that every attendee badge embeds an NTAG215 NFC chip and that a phone-to-badge tap exchange unlocks collectible cards. It does not disclose tag contents, application protocol, privacy/data processing, security design, or a 2026 PCB/firmware platform.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge
HITCON / @HacksInTaiwan · retrieved 2026-09-18
Primary organizer-account source for the August 22 closing update, which refers to NFC Battle in the past tense and says the gathering is ending. It confirms completed-event and activity context, not a badge recipient ledger, final technical implementation, or image reuse.
Badge: HITCON 2026 NTAG215 NFC Attendee Badge