Jessie J. Walker

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Cyber security continues to be an increasingly important topic when considering Homeland Security issues. This area however is often overlooked during a disaster or emergency situation. Emergency management within the US as it currently stands lacks any real cyber situational awareness with respect to the core activities of emergency management such as(More)
Big data is a new technology wave that makes the world awash in data. Various organizations accumulate data that are difficult to exploit. Government databases, social media, healthcare databases etc. are the examples of the big data. Big data covers absorbing and analyzing huge amount of data that may have originated or processed outside of the(More)
Cloud computing continues to transform how we address security challenges in closed and private networks. Given the advanced functionality offered by cloud computing, network monitoring and digital forensics efforts are potentially detectable and service interruptive which affects the effectiveness and thoroughness of digital forensic methods.(More)
Cloud computing is a promising and expanding technology which could replace traditional IT systems. Cloud computing resembles a giant pool of resources which contains hardware, software and related applications, which can be accessed through web-based services on a pay-per-usage model. The main features of the cloud model are accessibility, availability and(More)
Cyber security threats require rapid identification of imminent or potential attacks to support deterrence and protection. Thomas Friedman theorized that technology has leveled or “flattened” the global playing field that once existed. This flattening has happened as a result of what he calls the “triple convergence” of platform,(More)
The computing paradigm of ubiquitous/pervasive computing has changed the way in which nomadic computer users interact with computer devices and network systems. Modern ubiquitous computing devices have enabled nomadic computer users to interact with computer and network systems anywhere and at anytime. Although the issue of cyber security has been(More)
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