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- W3089280188 abstract "In order to detect insider threats, anomaly-based intrusion detection must learn profiles of normal user behavior. However this is particularly difficult when historical audit data is scarce. Zero-shot learning can address this limitation by compensating the absence of examples with semantic knowledge, allowing to better estimate behavior of unknown users. In this paper, we address insider threat detection in two use cases where historical user data is unavailable or obsolete. We extend an existing intrusion detection system by adding information describing user positions, roles and projects assignments. These semantic descriptions are encoded via graph embeddings. Experimental results show that providing this additional context improves insider threat detection significantly. This suggests that zero-shot learning is a promising way of improving intrusion detection systems." @default.
- W3089280188 created "2020-10-01" @default.
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- W3089280188 date "2020-07-01" @default.
- W3089280188 modified "2023-09-26" @default.
- W3089280188 title "Improving Intrusion Detection Systems using Zero-Shot Recognition via Graph Embeddings" @default.
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- W3089280188 doi "https://doi.org/10.1109/compsac48688.2020.0-165" @default.
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