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Browsing by Author "Botha, Johannes G"

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An analysis of a cryptocurrency giveaway scam: Use case

Author: Botha, Johannes G ; Leenen, L Date: Jun 2024 A giveaway scam is a type of fraud leveraging social media platforms and phishing campaigns. These scams have become increasingly common and are now also prevalent in the crypto community where attackers attempt to gain crypto-enthusiasts’ ... Read more
An analysis of crypto scams during the Covid-19 pandemic: 2020-2022

Author: Botha, Johannes G ; Botha-Badenhorst, Danielle P ; Leenen, L Date: Mar 2023 Blockchain and cryptocurrency adoption has increased significantly since the start of the Covid-19 pandemic. This adoption rate has overtaken the Internet adoption rate in the 90s and early 2000s, but as a result, the instances of crypto scams ... Read more
An analysis of the MTI crypto investment scam

Author: Botha, Johannes G ; Pederson, T ; Leenen, L Date: Jun 2023 Since the start of the Covid-19 pandemic, blockchain and cryptocurrency adoption has increased significantly. The adoption rate of blockchain-based technologies has surpassed the Internet adoption rate in the 90s and early 2000s. As this ... Read more
A comparison of chat applications in terms of security and privacy

Author: Botha, Johannes G ; Van ‘t Wout, Magdalena C ; Leenen, L Date: Jul 2019 Mobile messaging or chat Applications (Apps) have gained increasing popularity over the past decade. Large amounts of data are being transmitted over the internet when people make use of these Apps. Metadata and personal information are being ... Read more
Cryptocurrency-crime investigation: Fraudulent use of bitcoin in a divorce case

Author: Botha, Johannes G ; Leenen, Louise Date: Mar 2024 Bitcoin and cryptocurrency adoption has increased significantly over the past few years. The significant growth in the industry has been matched by growth of crimes in this domain; not only in scams and dark-web illegal trading, but also in ... Read more
Fake news and deepfakes: A dangerous threat for 21st century information security

Author: Botha, Johannes G ; Pieterse, Heloise Date: Mar 2020 Fake news, often referred to as junk news or pseudo-news, is a form of yellow journalism or propaganda created with the purpose of distributing deliberate disinformation or false news using traditional print or online social media. Fake news ... Read more
Global data breaches responsible for the disclosure of personal information

Author: Botha, Johannes G ; Grobler, MM ; Eloff, MM Date: Jun 2017 Data breaches have gained extensive coverage as businesses and organisations of all sizes become more dependent on digital data, cloud computing and workforce mobility. Companies store sensitive or confidential data on local machines, enterprise ... Read more
A high-level comparison between the South African Protection of Personal Information Act and International Data Protection Laws

Author: Botha, Johannes G ; Grobler, Marthie M ; Hahn, J ; Eloff, MM Date: Mar 2017 Data protection and management of personal information has become an integral aspect for organisations and individuals in conducting business in the modern era. It has also become a major issue for legislators, regulators and consumers worldwide ... Read more
A proposed high-level methodology on how OSINT is applied in blockchain investigations

Author: Gertenbach, Wian P ; Botha, Johannes G ; Leenen, L Date: Mar 2024 The characteristics of blockchain established a desirable platform for entities to innovate and operate in a secure, transparent, and decentralised manner. However, cybercriminals have increasingly found refuge in the decentralised environment ... Read more
Security threats and measures on multifunctional devices

Author: Botha, Johannes G ; Von Solms, S Date: Jun 2018 Multifunctional devices are employed in office networks for functionality and comfort, most often considered only as peripheral devices enabling the printing, copying and scanning of documents. Based on a study performed by InfoTrends in 2013 ... Read more

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Browsing by Author "Botha, Johannes G"

Browsing by Author "Botha, Johannes G"

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