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SACMAT
2011
ACM
14 years 9 months ago
Modeling data flow in socio-information networks: a risk estimation approach
Information leakage via the networks formed by subjects (e.g., Facebook, Twitter) and objects (e.g., blogosphere) − some of whom may be controlled by malicious insiders − ofte...
Ting Wang, Mudhakar Srivatsa, Dakshi Agrawal, Ling...
POLICY
2007
Springer
16 years 29 days ago
Distributed Enforcement of Unlinkability Policies: Looking Beyond the Chinese Wall
We present a discretionary access control framework that can be used to control a principal’s ability to link information from two or more audit records and compromise a user’...
Apu Kapadia, Prasad Naldurg, Roy H. Campbell
NDSS
2006
IEEE
16 years 26 days ago
Trust Negotiation with Hidden Credentials, Hidden Policies, and Policy Cycles
In an open environment such as the Internet, the decision to collaborate with a stranger (e.g., by granting access to a resource) is often based on the characteristics (rather tha...
Keith B. Frikken, Jiangtao Li, Mikhail J. Atallah
SWS
2004
ACM
16 years 8 days ago
Trust but verify: authorization for web services
Through web service technology, distributed applications can be built in a exible manner, bringing tremendous power to applications on the web. However, this exibility poses sig...
Christian Skalka, Xiaoyang Sean Wang
224
Voted
IJCMAM
2010
160views more  IJCMAM 2010»
15 years 4 months ago
Exploring Type-and-Identity-Based Proxy Re-Encryption Scheme to Securely Manage Personal Health Records
Commercial Web-based Personal-Health Record (PHR) systems can help patients to share their personal health records (PHRs) anytime from anywhere. PHRs are very sensitive data and an...
Luan Ibraimi, Qiang Tang, Pieter H. Hartel, Willem...