Overview:
This essay focuses on comparing network security concerns across different types of networks, including wired Ethernet LANs and WLANs. One of the most critical components of any network infrastructure setup is ensuring that security measures are in place to protect against potential data breaches and other cybercrime. Data is transmitted through physical connections such as Ethernet Cables in the case of wired networks and through wireless technology (like Wi-Fi) in the case of Wireless Networks. In contrast, fibre-based networks leverage optical fibre’s speed advantages for quickly transmitting data (Alimi, 2017). The distinctive characteristics of each type of network present certain specific security risks that need to be addressed
With data constantly being transmitted and accessed globally, it is paramount to have strong network security measures. Additionally, using physical connections like Ethernet cables has kept wired networks relevant in network infrastructures. One of the most significant issues regarding wired networks and their security concerns is physical access, which can lead to possible security breaches by unauthorized individuals to network devices and cables. In light of these risks, organizations must adopt stringent physical security measures.
Wireless networks do not require physical connections between devices and depend upon Wi-Fi technology to transfer data. A new array of security problems appears without physical connections. Therefore, to maintain safety in wireless networks, it is necessary to secure the Wi-Fi network (Kawanishi, 2018). Using exploits in Wi-Fi protocols or trying out different combinations of login credentials through brute force attacks are ways attackers can attempt to infiltrate the network. To enhance security measures within organizational networks from potential threats, it is crucial that they apply robust encryption protocols like WPA2 or WP3 and regularly update their Wi-Fi infrastructure for vulnerability mitigation.
Optical fibres facilitate high-speed data transmission in fibre-based networks, and the high resistance of these networks towards electronic disturbances makes them the ideal choice for secure communication while surpassing wired or wireless alternatives. They still require appropriate measures to ensure their safety, while fibre-based networks face the challenge of safeguarding cable integrity (Kettani & Rachidi, 2010). Transmitted data can be intercepted by attackers who tap into the corresponding fibre cable. As a result, organizations need to fortify the security of their physical infrastructure by employing techniques like secure enclosures and surveillance systems that stop any form of unauthorized cable access.
The conversion devices of optical and electrical signals used in fibre-based networks are susceptible targets for attackers. The best way to ensure that there is no tampering with the devices known as optical network terminals (ONTs) or media converters is by securing them adequately (Kawanishi, 2018). Additionally, using advanced encryption technologies to transmit data over fibre-based networks is essential in protecting sensitive information from unauthorized interception or misuse.
Purpose:
The all-inclusive purpose of this essay is to provide readers with an exhaustive look at network security threats across different types of connections, such as wired connections, and also consider other types like wireless or fibre-optic. By analysing each network type’s distinct characteristics and vulnerabilities, organizations can better understand the security risks that apply to them. In order to combat specific network vulnerabilities, it is crucial to develop targeted and adequate security measures based on this understanding.
Identifying similarities in the network security issues across different networks allows organizations to find best practices that can be applied universally, and the ability to apply their skills in securing one network to other types is a valuable asset. Organizations with rigorous physical security protocols for their wired systems can utilize them on their wireless or fibre-based systems where there are still chances of unauthorized entry.
Scope:
Security concerns related to wired networks alongside their wireless and fibre counterparts will be discussed at length in this essay. The aim is to understand the specific security challenges and considerations arising within different network types. Identifying potential vulnerabilities along with attack vectors in wired networks, including wireless & fibre optic ones, is what this essay aims for. Its purpose is to help organizations gain complete knowledge about their security risks.
The analysis aims to cover various security topics across multiple network forms. It will explore physical security methods implemented on wired networks that restrict unauthorized access to network devices and cables. The essay will examine the role of implementing access controls and surveillance systems as effective measures against physical tampering.
Analysis and Synthesis of the Topic:
When observing wired networks in-depth, one can notice both advantages and distinct security threats associated with the nature of their physical connections. The susceptibility of network devices and cables increases with unauthorized physical access. To ensure the safety of their network infrastructure from any unauthorized interference, organizations need to have physical security measures such as surveillance systems and locked server rooms (Manikanta & Sathiyabhama, 2021). This physical layer aims to enhance overall protection and coverage at higher network levels complementary to other implemented securities.
Security concerns differ between wired and wireless networks due to the dependence of radio frequencies on the latter. Wireless networks’ reliance on radio waves to transmit data poses distinctive security challenges. Attackers quickly gain illegal entrance to wireless networks since they can be reached from a distance, unlike the wired ones, which require a physical connection, and increased risks such as unauthorized access and data interception are highly likely when a system becomes this accessible (Alimi, 2017).To ensure the security of wireless networks, it is essential to address potential exploits of vulnerabilities found in Wi-Fi protocols, particularly in light of past security concerns that have been raised about Wi-Fi protocols such as WEP (Wired Equivalent Privacy) and WPA (Wi-Fi Protected Access). Attackers can leverage these vulnerabilities to gain illegal entry into the network or decrypt information in transit. However, implementing robust encryption methods such as the industry standard protocol -WPA 2 and its latest upgrade –WAP 3, can help prevent possible hazards for entities (Kawanishi, 2018). These newer versions of the protocols have much stronger encryption techniques and better safety measures when matched against the earlier ones
According to Kettani & Rachidi (2010), trying to crack Wi-Fi passwords through brute force attacks is one of the common ways that attackers target wireless networks. In order to gain entry into a system or account, cyber attackers will often use an automated tool that attempts multiple password variations. In order to mitigate against such assaults in the future, organizations need to enforce robust password standards that demand complex and distinct WiFi access passwords. Besides, applying safeguards such as account lockouts or rate limiting can stop intruders from consistently attempting to compromise passwords.
To preserve the protection of wireless networks keeping up with frequent updates and patches is necessary, and the evolution of related equipment and Wi-Fi rules mean that fresh shortcomings might come up at any point. By issuing updates and patches to fix vulnerabilities, vendors strive to increase their security (Pirandola, 2021). Organizations should implement a reliable system for patch management to keep their wireless infrastructure secure from potential threats and exploits through regular updates of the latest security patches.
Less susceptible to electromagnetic disturbance and faster data transmission capabilities than other options makes fibre-based networks a desirable choice; however, regardless of their abilities, they can still experience security problems. The soundness of fibre cables plays a vital role in the smooth operation of a fibre-based network. However, cables could be exploited by potential attackers to tap into and gain access to transmitted data (Mandal, 2018). In order to ensure the protection of the organization’s physical infrastructure from any possible unauthorized access or tampering attempt, it is essential to have secure enclosures and tamper-evident seals along with regular physical monitoring
Optical network terminals (ONTs) or media converters, virtual devices used in fibre-based networking systems, can also be attacked by malicious actors. However, tampering and unauthorized entry can be prevented through the proper security measures on these devices. Organizations need to strongly emphasise securing their devices with effective authentication mechanisms and limiting physical access while maintaining up-to-date firmware that can address any known vulnerabilities.
Encrypting data is essential for maintaining confidentiality and integrity while transmitting it over various networks, regardless of whether a network uses wired connections or is based on wireless technology – including those utilizing fibre optics – employing encryption protocols like SSL/TLS during transmission. Disk-level storage will offer enhanced layers of protection to overall system security(Zhang, 2018). Besides, establishing a robust set of network monitoring measures along with efficient incident response plans can help detect and respond quickly to any security threat
While having distinct characteristics and vulnerabilities between them, wired, wireless, and fibre-based networks all encounter similar security considerations. Therefore, security demands robust authentication arrangements and constant updates that address detected vulnerabilities. Alongside encryption, while storing or travelling data, implementing physical safety protocols and thoroughly scrutinising all networks will ensure complete protection. By incorporating these safety measures into the framework of their networks, organizations can upgrade their overall network safety profile while also enhancing protection over important information and resources.
Conclusion:
After examining the differences between the security threats faced by wired networks vs those faced by wireless and fibre-based networks, it is clear that organizations must take steps to mitigate these unique challenges if they hope to protect their overall IT infrastructure. Preventing unapproved entry into network components or wiring necessitates stringent physical safety precautions on wired systems. To protect personal information in a wireless network, it is imperative to implement robust Wi-Fi security protocols and conduct periodic software upgrades. For a secure and reliable functioning of a fibre-based network, it is essential to protect the cable’s physical stability whilst securing signal conversion devices. Despite varying structures and functions, every type of network can benefit from adhering to general security practices. In order to guarantee the security of data & resource across different networks, encryption use alongside robust authentication mechanisms, regular update implementation & comprehensive network monitoring has become essential. Organizations are advised to adopt a personalized security strategy that factors in potential threats and weaknesses to secure the integrity of their network infrastructure.
Mitigating risks of unauthorized access, data leakages, and other harmful activities is possible when organizations understand their unique security challenges and take necessary precautions. The best way to defend against cyber threats is by having an all-encompassing network security plan that considers factors like physical barriers combined with robust authentication methods and up-to-date software patches accompanied by routine surveillance.
References
Alimi, I. A., Teixeira, A. L., & Monteiro, P. P. (2017). Toward an efficient C-RAN optical fronthaul for the future networks: A tutorial on technologies, requirements, challenges, and solutions. IEEE Communications Surveys & Tutorials, 20(1), 708-769.
Kettani, D., & Rachidi, T. (2010). Wman@ Fes: Comparison of Fiber and Wireless Technologies for implementing the administrative MAN of FES, Morocco.
Kawanishi, T., Kanno, A., & Freire, H. S. (2018). Wired and wireless links to bridge networks: Seamlessly connecting radio and optical technologies for 5G networks. IEEE Microwave Magazine, 19(3), 102-111.
Mandal, G. C., Mukherjee, R., Das, B., & Patra, A. S. (2018). A full-duplex WDM hybrid fibre-wired/fibre-wireless/fiber-VLC/fiber-IVLC transmission system based on a self-injection locked quantum dash laser and an RSOA. Optics Communications, 427, 202-208.
Manikanta, S., & Sathiyabhama, S. Survivability Strategies in Optical Networks Based on Multistory Building LAN.
Pirandola, S. (2021). Composable security for continuous-variable quantum key distribution: Trust levels and practical key rates in wired and wireless networks. Physical Review Research, 3(4), 043014.
Zhang, D., Zhou, Z., Mumtaz, S., Rodriguez, J., & Sato, T. (2016). One integrated energy efficiency proposal for 5G IoT communications. IEEE Internet of Things Journal, 3(6), 1346-1354.
write