MOBILE’ DEVICE’ TRACKING’ - WordPress.com · 2014-02-19 · mobile’device’tracking’ •...
Transcript of MOBILE’ DEVICE’ TRACKING’ - WordPress.com · 2014-02-19 · mobile’device’tracking’ •...
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MOBILE DEVICE TRACKING
FTC: Spring Privacy Series Washington, DC Feb 19 2014
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mobile device tracking
• locaUon aware devices • device aware locaUons • benefits • concerns
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mobile phones*!
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locaUon aware devices
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locaUon aware devices
*the device tracks its locaUon
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apps
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What They Know -‐ Apps
plaYorms & privacy – shb 2011 hLp://blogs.wsj.com/wtk-‐mobile/
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locaUon
what do we mean by ‘locaUon’?
!*different levels of accuracy
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Bluetooth Low Energy (iBeacons)
*app can send back info
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iBeacons (Bluetooth Low Energy)
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device aware locaUons
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device aware locaUons
*the venue tracks the device
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device aware locaUons
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mobile phones* (antennas)
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gsm
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gsm (intercepUon)
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wifi/bluetooth (intercepUon)
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other methods
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idenUficaUon (tracking)
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unique idenUfiers
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unique idenUfiers
*refers to an individual person or device
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hashing
Ø echo -‐n "E8:06:88:7B:EA:F3" | shasum -‐a 256 Ø 48fe4d4f1b4cc95567a8794830401081cd9ff1a79b644782129e5c51569b88aa
*guaranteed to be the same every Ume
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‘hashing’
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‘hashing’
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benefits
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consumer benefits (opt-‐in)
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consumer benefits (opt-‐in)
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retailer benefits (opt-‐out)
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retailer benefits (opt-‐out)
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concerns
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retailer benefits (opt-‐out)
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retailer benefits (opt-‐out)
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concerns
• invisible / passive collecUon • opt-‐out vs opt-‐in • difficulty of opt-‐out (i.e mac addr) • pseudo-‐anonymous idenUfiers • unclear/indefinite retenUon • convergence
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convergence
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convergence (hashing)