C a r n e g i e M e l l Context-Aware Authentication Context-Aware Authentication Framework Framework CyLab Mobility Research Center Mobility Research Center Carnegie Mellon Silicon Valley Diwakar Goel, Eisha Kher, Shriya Joag , Veda Mujumdar, Martin Griss, Anind K. Dey 1
Context-Aware Authentication Framework. Diwakar Goel, Eisha Kher, Shriya Joag , Veda Mujumdar, Martin Griss, Anind K. Dey. CyLab Mobility Research Center. Mobility Research Center Carnegie Mellon Silicon Valley. 1. Outline. Background A Scenario The Architecture - PowerPoint PPT Presentation
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Why QR codes?
• Can be read fast• Easy to generate• Can be displayed anywhere – on screens/print outs• Can be read by nearly all camera equipped phones• Robust against sniffing attacks• ‘Line-of-sight ‘ property
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Outline
• Background• A Scenario• The Architecture• Threats and Attacks Mitigated• Conclusion
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Conclusion
• Role-based and location-based access controlRole-based and location-based access control–Leveraged user’s context–Used light-weight tagging
• AdvantagesAdvantages–Simple, inexpensive, scalable, extensible–Centralized control over authentication sites–Smarter and robust authentication
• Future workFuture work–Adding other contextual cues, user profiling
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Acknowledgments
• Thanks to Thanks to –Co-authors for their contribution–CyLab, ARO and Nokia for their grants–You for patient listening!
October 26, 200920Context-Aware Authentication Framework October 26, 2009