Recently, the world witnessed a significant increase in the number of used drones, with a global and continuous rise in the demand for their multi-purpose applications. Finally, several suggestions and recommendations are proposed benefiting from the lessons learned throughout this comprehensive review. Additionally, the existing security measures are presented and analyzed while identifying their main limitations. Moreover, CPS security vulnerabilities, threats and attacks are reviewed, while the key issues and challenges are identified. This paper surveys the main aspects of CPS and the corresponding applications, technologies, and standards. Consequently, CPS security has attracted the attention of both researchers and industries. However, interconnecting the cyber and physical worlds gives rise to new dangerous security challenges.
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The fast and significant evolution of CPS affects various aspects in people’s way of life and enables a wider range of services and applications including e-Health, smart homes, e-Commerce, etc. Their integration with IoT led to a new CPS aspect, the Internet of Cyber-Physical Things (IoCPT). They are closely related to Internet of Things (IoT) systems, except that CPS focuses on the interaction between physical, networking and computation processes. Typically, Cyber-Physical Systems (CPS) involve various interconnected systems, which can monitor and manipulate real objects and processes. Al Qaeda-affiliated cyberterrorists used YouTube videos as both individual sources and embedded sources for Facebook and Twitter, whereas ISIS-affiliated cyberterrorists predominantly used YouTube videos and Twitter posts. The results show that YouTube videos were used primarily for propagating certain ideologies and for recruiting members for Al Qaeda and ISIS. In our global cyberterrorism dataset, we used and connected cyber-resources (Facebook, online forum, Twitter mentions, websites, and YouTube videos) and legal documents of individual cases that were mentioned in the reports.
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In order to empirically test these relations, we created a dataset with annual terrorism reports from 2011 to 2016. This study explores the ways in which types of social media, message contents, and motives for spreading propaganda take shape in cyberspace. Terrorists in cyberspace are increasingly utilizing social media to promote their ideologies, recruit new members, and justify terrorist attacks and actions. In fact, security is increased by designing an efficient cooperation between the different security elements and penetration tests. This can also be done by reinforcing the anomaly detection of intrusion detection/prevention system.
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Therefore, in order to resist unknown vulnerabilities, a new kind of modern penetration tests is required, in addition to reinforcing the use of shadows honeypots. The main issue of penetration tests that it is efficient to detect known vulnerabilities. Moreover, the advantages and limitations of penetration tests are also listed. This growing problem should be solved and mitigated to reach better resistance against these attacks. In fact, any identified exploitable vulnerability will be used to conduct attacks on systems, devices, or personnel. In other terms, pen testing is a simulated attack with the goal of identifying any exploitable vulnerability or/and a security gap. The objective of penetration tests is to make existing systems and their corresponding data more secure, efficient and resilient. Therefore, the main focus of this paper is to explain the technical and non-technical steps of penetration tests. However, in order to reduce the effect of these attacks, penetration tests are highly required, and can be considered as a suitable solution for this task.
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