Transactional Confidentiality in Sensor Networks

In a sensor network environment, elements such as message rate, message size, mote frequency, and message routing can reveal transactional data - that is, information about the sensors deployed, frequency of events monitored, network topology, parties deploying the network, and location of subjects...

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Bibliographic Details
Published in:IEEE security & privacy 2008-07, Vol.6 (4), p.28-35
Main Authors: Pai, Sameer, Meingast, Marci, Roosta, Tanya, Bermudez, Sergio, Wicker, Stephen B., Mulligan, Deirdre K., Sastry, Shankar
Format: Magazinearticle
Language:English
Subjects:
Authentication
Availability
Computer information security
computer systems organization
Computers and society
Data privacy
Data security
Information analysis
Information security
IP networks
Messages
networking and information technology
Networks
operating systems
Patient monitoring
Protection
public policy issues
Routing
Routing (telecommunications)
security and privacy protection
sensor networks
Sensors
Telecommunication traffic
Utilities
wide-area networks
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Summary:In a sensor network environment, elements such as message rate, message size, mote frequency, and message routing can reveal transactional data - that is, information about the sensors deployed, frequency of events monitored, network topology, parties deploying the network, and location of subjects and objects moving through the networked space. Whereas the confidentiality of network communications content is secured through encryption and authentication techniques, the ability of network outsiders and insiders to observe transactional data can also compromise network confidentiality. Four types of transactional data are typically observable in sensor networks. Measures to limit the availability and utility of transactional data are essential to preserving confidentiality in sensor networks.
ISSN:1540-7993
1558-4046
DOI:10.1109/MSP.2008.107