The active badge location system
ACM Transactions on Information Systems (TOIS)
A cryptographic file system for UNIX
CCS '93 Proceedings of the 1st ACM conference on Computer and communications security
JFlow: practical mostly-static information flow control
Proceedings of the 26th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Securing context-aware applications using environment roles
SACMAT '01 Proceedings of the sixth ACM symposium on Access control models and technologies
Zero-interaction authentication
Proceedings of the 8th annual international conference on Mobile computing and networking
The Resurrecting Duckling: Security Issues for Ad-hoc Wireless Networks
Proceedings of the 7th International Workshop on Security Protocols
Generalized Role-Based Access Control
ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
First experiences using XACML for access control in distributed systems
Proceedings of the 2003 ACM workshop on XML security
Securing nomads: the case for quarantine, examination, and decontamination
Proceedings of the 2003 workshop on New security paradigms
Cryptographic File Systems Performance: What You Don't Know Can Hurt You
SISW '03 Proceedings of the Second IEEE International Security in Storage Workshop
Secure program execution via dynamic information flow tracking
ASPLOS XI Proceedings of the 11th international conference on Architectural support for programming languages and operating systems
Seeing-Is-Believing: Using Camera Phones for Human-Verifiable Authentication
SP '05 Proceedings of the 2005 IEEE Symposium on Security and Privacy
Labels and event processes in the asbestos operating system
Proceedings of the twentieth ACM symposium on Operating systems principles
Loud and Clear: Human-Verifiable Authentication Based on Audio
ICDCS '06 Proceedings of the 26th IEEE International Conference on Distributed Computing Systems
SSYM'00 Proceedings of the 9th conference on USENIX Security Symposium - Volume 9
Making information flow explicit in HiStar
OSDI '06 Proceedings of the 7th USENIX Symposium on Operating Systems Design and Implementation - Volume 7
Taint-enhanced policy enforcement: a practical approach to defeat a wide range of attacks
USENIX-SS'06 Proceedings of the 15th conference on USENIX Security Symposium - Volume 15
Secure positioning in wireless networks
IEEE Journal on Selected Areas in Communications
Localization of credential information to address increasingly inevitable data breaches
Proceedings of the 2008 workshop on New security paradigms
NSPW '09 Proceedings of the 2009 workshop on New security paradigms workshop
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Faced with an increasing number of incidents involving leaks of confidential data, it is clear that new data protection strategies are needed. We propose Data Tethers, a new paradigm which uses policies based on environmental factors to determine when sensitive data may be stored on a machine and when it must be encrypted or removed from the machine entirely. We discuss a number of example scenarios where existing data protection systems provide insufficient protection and Data Tethers would prevent data exposure. We also discuss a proposed implementation of Data Tethers, including a number of different environmental inputs.