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Object storage system provides ocean space to hold a very large amount of data objects reliably and guarantee the clients to efficiently obtain their big data. In this paper, we propose a secure provable data possession scheme for object storage system, so as to enhance the security and efficiency through interactive verification and hierarchical structure optimizing. In particular, a new secure protection...
Analyzing the intrusion to production servers is an onerous and error-prone work for system security technicians. Existing tools or techniques are quite limited. For instance, system events tracking lacks completeness of intrusion propagation, while dynamic taint tracking is not feasible to be deployed due to significant runtime overhead. Thus, we propose production environment damage assessment (PEDA),...
Distributed systems could be more secured with a distributed trust model based on either PKI or Kerberos. However, it becomes difficult to establish trust relationship across heterogeneous domains due to different actual trust mechanism and security policy as well as the intrinsic flaw of each trust model. This paper is to propose a new high-compatible model, capable of working under the condition...
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