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Anomaly-based Network Intrusion Detection Systems (NIDSs) are a common security defense for modern networks. The success of their operation depends upon vast quantities of training data. However, one major limitation is the inability of NIDS to be reliably trained using imbalanced datasets. Network observations are naturally imbalanced, yet without substantial data pre-processing, NIDS accuracy can...
Virtual tours and interactive walkthroughs enable a more in-depth platform for communicating information. Many current techniques employ the use of Photo Stitching to accomplish this. However, over the last decade advancements in computing power and the accessibility of game engines, meant that developing rich 3D content for virtual tours is more possible than ever before. As such, the purpose of...
New protocols such as WebRTC promise seamless in-browser peer-to-peer communications that in theory remove the need for third-party services. In practice, widespread use of Firewalls, NATS and dynamic IP addresses mean that overlay addressing or use of some fixed rendezvous point is still needed. In this paper we describe a proximity-based pairing scheme that uses a signalling service to minimise...
Given the plethora of individual preferences and requirements of public transport passengers for travel, seating, catering, etc., it becomes very challenging to tailor generic services to individuals' requirements using the existing service platforms. As tens of thousands of sensors have been already deployed along roadsides and rail tracks and on buses and trains in many countries, it is expected...
The increasing number of devices within the IoT is raising concerns over the efficiency and exploitability of existing authentication methods. The weaknesses of such methods, in particular passwords, are well documented. Although alternative methods have been proposed, they often rely on users being able to accurately recall complex and often unmemorable information. With the profusion of separate...
Over the last decade, the level of critical infrastructure technology has been steadily transforming in order to keep pace with the growing demand for the services offered. The implementation of the smart grid, which relies on a complex and intelligent level of interconnectivity, is one example of how vital amenity provision is being refined. However, with this change, the risk of threats from the...
Collaborative behavioural monitoring (CBM) is becoming an increasingly popular solution used in complex and large-scale systems such as a system-of-systems (SoS). It has the ability to overcome the challenges associated with monitoring behaviour in the distributed, decentralised and dynamic environment of a SoS. However, the effectiveness of this approach depends upon the similarity of structural...
The unique characteristics of a system-of-systems (SoS) environment pose many significant technical challenges when it comes to monitoring the behaviour of its component systems. In this collaborative environment, component misbehaviour is one of the most significant security threats. A key countermeasure is the ability to detect behaviour that could jeopardise the integrity, availability or functionality...
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