Search Results for author: Roelien C. Timmer

Found 4 papers, 0 papers with code

NASA Science Mission Directorate Knowledge Graph Discovery

no code implementations20 Mar 2023 Roelien C. Timmer, Fech Scen Khoo, Megan Mark, Marcella Scoczynski Ribeiro Martins, Anamaria Berea, Gregory Renard, Kaylin Bugbee

The size of the National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD) is growing exponentially, allowing researchers to make discoveries.

Knowledge Graphs

Deception for Cyber Defence: Challenges and Opportunities

no code implementations15 Aug 2022 David Liebowitz, Surya Nepal, Kristen Moore, Cody J. Christopher, Salil S. Kanhere, David Nguyen, Roelien C. Timmer, Michael Longland, Keerth Rathakumar

Deception is rapidly growing as an important tool for cyber defence, complementing existing perimeter security measures to rapidly detect breaches and data theft.

TSM: Measuring the Enticement of Honeyfiles with Natural Language Processing

no code implementations15 Mar 2022 Roelien C. Timmer, David Liebowitz, Surya Nepal, Salil Kanhere

Honeyfile deployment is a useful breach detection method in cyber deception that can also inform defenders about the intent and interests of intruders and malicious insiders.

Can pre-trained Transformers be used in detecting complex sensitive sentences? -- A Monsanto case study

no code implementations14 Mar 2022 Roelien C. Timmer, David Liebowitz, Surya Nepal, Salil S. Kanhere

We experimented with four different categories of documents in the Monsanto dataset and observed that BERT achieves better F2 scores by 24. 13\% to 65. 79\% for GHOST, 30. 14\% to 54. 88\% for TOXIC, 39. 22\% for CHEMI, 53. 57\% for REGUL compared to existing sensitive information detection models.

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