Data and Applications Security and Privacy XXXI: 31st Annual IFIP WG 11.3 Conference, DBSec 2017, Philadelphia, PA, USA, July 19-21, 2017, Proceedings

Front Matter....Pages I-XIII
Front Matter....Pages 1-1
Cryptographically Enforced Role-Based Access Control for NoSQL Distributed Databases....Pages 3-19
Resilient Reference Monitor for Distributed Access Control via Moving Target Defense....Pages 20-40
Preventing Unauthorized Data Flows....Pages 41-62
Object-Tagged RBAC Model for the Hadoop Ecosystem....Pages 63-81
Identification of Access Control Policy Sentences from Natural Language Policy Documents....Pages 82-100
Fast Distributed Evaluation of Stateful Attribute-Based Access Control Policies....Pages 101-119
Front Matter....Pages 121-121
Gaussian Mixture Models for Classification and Hypothesis Tests Under Differential Privacy....Pages 123-141
Differentially Private K-Skyband Query Answering Through Adaptive Spatial Decomposition....Pages 142-163
Mutually Private Location Proximity Detection with Access Control....Pages 164-184
Privacy-Preserving Elastic Net for Data Encrypted by Different Keys - With an Application on Biomarker Discovery....Pages 185-204
Privacy-Preserving Community-Aware Trending Topic Detection in Online Social Media....Pages 205-224
Privacy-Preserving Outlier Detection for Data Streams....Pages 225-238
Undoing of Privacy Policies on Facebook....Pages 239-255
Front Matter....Pages 257-257
Towards Actionable Mission Impact Assessment in the Context of Cloud Computing....Pages 259-274
Reducing Security Risks of Clouds Through Virtual Machine Placement....Pages 275-292
Firewall Policies Provisioning Through SDN in the Cloud....Pages 293-310
Budget-Constrained Result Integrity Verification of Outsourced Data Mining Computations....Pages 311-324
Searchable Encryption to Reduce Encryption Degradation in Adjustably Encrypted Databases....Pages 325-336
Efficient Protocols for Private Database Queries....Pages 337-348
Toward Group-Based User-Attribute Policies in Azure-Like Access Control Systems....Pages 349-361
Front Matter....Pages 363-363
High-Speed High-Security Public Key Encryption with Keyword Search....Pages 365-385
HardIDX: Practical and Secure Index with SGX....Pages 386-408
A Novel Cryptographic Framework for Cloud File Systems and CryFS, a Provably-Secure Construction....Pages 409-429
Front Matter....Pages 431-431
Keylogger Detection Using a Decoy Keyboard....Pages 433-452
The Fallout of Key Compromise in a Proxy-Mediated Key Agreement Protocol....Pages 453-472
Improving Resilience of Behaviometric Based Continuous Authentication with Multiple Accelerometers....Pages 473-485
Front Matter....Pages 487-487
A Content-Aware Trust Index for Online Review Spam Detection....Pages 489-508
Securing Networks Against Unpatchable and Unknown Vulnerabilities Using Heterogeneous Hardening Options....Pages 509-528
A Distributed Mechanism to Protect Against DDoS Attacks....Pages 529-540
Securing Web Applications with Predicate Access Control....Pages 541-554
Back Matter....Pages 555-556