The modelling of a digital forensic readiness approach for Wireless Local Area Networks

Over the past decade, wireless mobile communication technology based on the IEEE 802.11 Wireless Local Area Networks (WLANs) has been adopted worldwide on a massive scale. However, as the number of wireless users has soared, so has the possibility of cybercrime. WLAN digital forensics is seen as not only a response to cybercrime in wireless networks, but also a means to stem the increase of cybercrime in WLANs. The challenge in WLAN digital forensics is to intercept and preserve all the communications generated by the mobile stations and to conduct a proper digital forensic investigation. This paper attempts to address this issue by proposing a wireless digital forensic readiness model designed to monitor, log and preserve wireless network traffic for digital forensic investigations. Thus, the information needed by the digital forensic experts is rendered readily available, should it be necessary to conduct a digital forensic investigation. The availability of this digital information can maximise the chances of using it as digital evidence and it reduces the cost of conducting the entire digital forensic investigation process.The Council for Scientific and Industrial Research (CSIR) and University of Pretoria, South Africa.http://www.jucs.org

Psychological contract and job security among call centre agents : preliminary evidence

Abstract: This study explored call centre agents perceived psychological contract and job security in a South African call centre setting. We interviewed a purposive sample of 12 call centre agents (females = 8eight and male = 4, blacks = 10, colored =2, permanent employees = 12; mean period of service = 3 years). The agents responded to semi-structured interviews. Thematic analysis of the data yielded the call centre agents to perceive their psychological contracts with the employer to influence their job security over and above their legal contracts. Call centre agent perceptions of unmet psychological expectations and obligations contributed to their workplace demotivation and disengagement. We propose a preliminary conceptual model for studying psychological contract and job security among call centre agents

Digital forensic readiness for wireless local area networks

Over the past decade, wireless mobile communication technology based on the IEEE 802.11 Wireless Local Area Networks (WLANs) has been adopted worldwide on a massive scale. However, as the number of wireless users has soared, so has the possibility of cybercrime. WLAN digital forensics is seen as not only a response to cybercrime in wireless networks, but also a means to stem the increase of cybercrime in WLANs. The main challenge in WLAN digital forensics is to intercept and preserve all the communications generated by the mobile stations and to conduct a proper digital forensic investigation on them. In an attempt to address this issue, the study presents firstly how a WLAN functions by simply studying the association mechanism between mobile stations and the Access Point (AP), and secondly how traffic is transmitted from a source to a destination address and the security attacks associated with such transmission. Furthermore, the dissertation analyses different digital forensic process models because every digital forensic investigation should follow a digital forensic investigation process. The study also looks at various tools for extracting the everincreasing amount of evidential data that passes through the WLAN. These tools are scrutinised to observe if they possess any digital forensic capabilities and a model is proposed to implement digital forensic readiness in WLANs. The proposed model is designed to monitor, log, preserve, analyse and report wireless network traffic for digital forensic investigations. Thus, the information needed by the digital forensic experts is rendered readily available, should it become necessary to conduct a digital forensic investigation. The availability of this digital information maximises the chances of its being used as digital evidence and reduces the cost of conducting the entire digital forensic investigation process. The proposed model is then translated into a prototype to show its viability. The results of the prototype are then analysed through experiments. The experiments were found to increase the usefulness of the forensically captured network traffic. The experiments showed that organisations that use WLANs can greatly benefit by deploying the forensic readiness model and if an incident were to be reported later on and a digital forensic investigation is warranted, the organisation would simple extract the forensically captured and stored data and conduct an analysis rather than conducting the investigation from the beginning. The dissertation also provides a critical analysis of the proposed solution and lastly, the dissertation provides the legal issues with regard to traffic interception in the South African context.Dissertation (MSc)--University of Pretoria, 2016.tm2016Computer ScienceMScUnrestricte