Estée van der Walt

ORCID: 0000-0002-0034-6015
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About
Contact & Profiles
Research Areas
  • Spam and Phishing Detection
  • Cybercrime and Law Enforcement Studies
  • Information and Cyber Security
  • Misinformation and Its Impacts
  • Deception detection and forensic psychology
  • Scientific Computing and Data Management
  • Distributed and Parallel Computing Systems
  • Network Security and Intrusion Detection
  • Angiogenesis and VEGF in Cancer
  • Salmonella and Campylobacter epidemiology
  • Cloud Computing and Resource Management
  • Bacterial Infections and Vaccines
  • Blood transfusion and management
  • Retinal and Optic Conditions

University of Pretoria
2017-2019

ORCID
2018

There are a growing number of people who hold accounts on social media platforms (SMPs) but hide their identity for malicious purposes. Unfortunately, very little research has been done to date detect fake identities created by humans, especially so SMPs. In contrast, many examples exist cases where bots or computers have detected successfully using machine learning models. the case these models were dependent employing engineered features, such as “friend-to-followers ratio.”These features...

10.1109/access.2018.2796018 article EN cc-by-nc-nd IEEE Access 2018-01-01

Background. The recent listeriosis outbreak in South Africa (SA) received widespread attention the media. More than 1 000 laboratory-confirmed cases of occurred during an 18-month period, with a case fatality rate 28%. Acute bacterial meningitis due to was extremely rare at Steve Biko Academic Hospital Pretoria until 2017/18, when we saw two very sick adults this condition outbreak. Objectives. To describe presentation, treatment and outcome these patients raise awareness potentially fatal...

10.7196/samj.2019.v109i5.13866 article EN cc-by-nc South African Medical Journal 2019-04-29

Purpose This paper aims to describe requirements for a model that can assist in identity deception detection (IDD) on social media platforms (SMPs). The was discovered demonstrates the usefulness of requirements. aim is identify humans lying about their SMPs. Design/methodology/approach IDD will be determined through literature study combined with identifies currently available related metadata refers attributes user account an SMP. restrict only based these types attributes, as opposed or...

10.1108/ics-01-2019-0017 article EN Information and Computer Security 2019-06-17

The “HPI Future SOC Lab” is a cooperation of the Hasso Plattner Institute (HPI) and industry partners. Its mission to enable promote exchange interaction between research community partners. HPI Lab provides researchers with free charge access complete infrastructure state art hard software. This includes components, which might be too expensive for an ordinary environment, such as servers up 64 cores 2 TB main memory. offerings address particularly from but not limited areas computer...

10.25932/publishup-43310 article EN 2020-01-01
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