Computer and Network Security [Working Title]

Network Security, 2007

The purpose of this chapter is to introduce some basic network security terms and lead the reader through the rest of the book. It provides a baseline level of knowledge in the areas of information technology (IT) security and network security for those readers who are unfamiliar with these concepts. It also provides a set of common terms and defi nitions which will help those readers who already have some basic knowledge in network security to have a common understanding of the chapters that follow. However, advanced readers with a good background in networking and IT security may skip this chapter and proceed to the more specifi c areas covered in this book.

Ingenious, 2022

This scientific article aims to examine the issue of security in computer networks, highlighting the threats, challenges, and methods of protection. With the development of technology and the increased use of the internet, security in computer networks has become a critical issue for individuals, organizations, and society as a whole. In this article, we will discuss how attackers can infiltrate communication systems and compromise the integrity, confidentiality, and availability of data. The techniques used by attackers to achieve their malicious goals will also be described. Furthermore, the main challenges faced by computer network security specialists will be discussed. These challenges include identifying potential threats, assessing the risk level, developing defense strategies, implementing security policies, and continuous monitoring of network activity. Additionally, legal aspects of network security will be addressed, including current legislation and regulations that impact information security management. In the next section of the article, protective measures to prevent attacks on computer networks will be examined. These measures include implementing strict 1 MSc. Malvina Niklekaj is a highly accomplished professional with a Bachelor's degree in Computer Engineering and IT from the Canadian Institute of Technology. She further pursued her academic journey by obtaining a Master's Degree in Cybersecurity & Network, solidifying her expertise in securing digital infrastructures. MSc. Malvina Niklekaj holds a CCNA license as a Cisco Network Associate, with a license number CSCO141214588, showcasing her proficiency in managing and safeguarding network systems. Her comprehensive knowledge of cybersecurity principles enables her to develop robust strategies for protecting sensitive data. In addition to her technical qualifications, MSc. Malvina Niklekaj is an active member of the Woman Tech Ambassador program since 2020. As a Woman Tech Ambassador, she advocates for increased representation of women in the technology industry, fostering diversity and equal opportunities. security policies, utilizing advanced firewall technologies, data encryption, twofactor authentication, and monitoring suspicious events. The role of user education in network security and the need for ongoing awareness of new threats and best security practices will also be discussed. Finally, this article will provide an overview of various studies and research conducted in the field of computer network security. Key findings and recommendations for further development of security in computer networks will be discussed.

— Network security is a complicated subject, historically only tackled by well-trained and experienced experts. However, as more and more people becomè`wired'', an increasing number of people need to understand the basics of security in a networked world. This document was written with the basic computer user and information systems manager in mind, explaining the concepts needed to read through the hype in the marketplace and understand risks and how to deal with them. Some history of networking is included, as well as an introduction to TCP/IP and internetworking. We go on to consider risk management, network threats, firewalls, and more special-purpose secure networking devices. This is not intended to be a ``frequently asked questions'' reference, nor is it a ``hands-on'' document describing how to accomplish specific functionality. It is hoped that the reader will have a wider perspective on security in general, and better understand how to reduce and manage risk personally, at home, and in the workplace.

2024

Technology's rapid growth and greater reliance on digital systems have made cybersecurity a global problem for organizations. ACME Industries, a worldwide financial security corporation, follows suit. We analyze ACME Industries' IT infrastructure and make security suggestions in this study. The paper begins with a cybersecurity risk analysis that covers risk analysis standards and frameworks, valuable assets and their impact values, and threats and vulnerabilities. This study enables secure security architecture design. A DMZ server farm would secure central server files. This includes directory, DHCP, file, proxy, management, email, DB, SIEM, and web servers. DMZs keep vital servers safe. We also secure OS and networked systems. To secure network traffic, VLANs are used. VLANs isolate and govern network resources for departments, guests, Wi-Fi users, PC users, and IP phones. We cover network assaults and vulnerabilities using SIEM. Real-time security analytics can detect and respond to attacks. ACME Industries can increase network security and threat detection using SIEM data. Planning and execution are needed to change the network architecture. We describe a smooth switching mechanism. We also present industry best practices and cybersecurity principles-based research and reasons for the recommended solutions. This cybersecurity analysis study is designed to help ACME Industries understand its IT infrastructure security landscape and improve company cybersecurity. ACME Industries can reduce risks, protect sensitive data, and maintain system and data integrity by following security recommendations and industry standards

Network security refers to any activities designed to protect the network, which includes the authorization of information access in a network, which is controlled by the network administrator. Network security has turned out to be more important to personal computer users, Organizations, and military and it covers an assortment of computer networks, both public and private, that are utilized as a part of everyday jobs conducting transactions and communications among businesses, government agencies and individuals. Network security is the procedure by which digital information resources are protected, the objective of security are to ensure confidentiality, maintain integrity, and assure availability, so viable network security focuses on a variety of threats and prevents them from entering or spreading on the network. Social network sites created a new way of communication, it brought about new information security issues such as identity theft, privacy leak and junk information. In This paper we mainly concentrate on the network security also we present some major issues that can influence the network along with existing problems of the online security of the computer, and precautionary measures.

Computer and Network security Problem statement Unauthorized Access "As the threat of unauthorized access grows companies and people continue to look for security to upgrade." )``Unauthorized access'' is a very high-level term that can refer to a number of different sorts of attacks. The goal of these attacks is to access some resource that your machine should not provide the attacker. For example, a host might be a web server, and should provide anyone with requested web pages. However, that host should not provide command shell access without being sure that the person making such a request is someone who should get it, such as a local administrator.

Systems Science & Control Engineering, 2014

Network security is a specialized field consisting of the provisions and policies to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources as well as ensuring their availability through proper procedures. Many security devices are being developed and deployed to defend against cyber threats and to prevent unintended data breaches. In spite of all these efforts, the 'golden age' of cyber crime continues, as organizations around the world continue to suffer data breaches and security attacks. What kinds of threats we are facing today? How these threats are to be dealt with? The goal of this paper is to communicate an updated perspective of network security for organizations, and researchers in the field and present some recommendations to tackle the current situation of security threats.

Network security refers to any activities designed to protect the network, which includes the authorization of information access in a network, which is controlled by the network administrator. Network security has turned out to be more important to personal computer users, Organizations, and military and it covers an assortment of computer networks, both public and private, that are utilized as a part of everyday jobs conducting transactions and communications among businesses, government agencies and individuals. Network security is the procedure by which digital information resources are protected, the objective of security are to ensure confidentiality, maintain integrity, and assure availability, so viable network security focuses on a variety of threats and prevents them from entering or spreading on the network. Social network sites created a new way of communication, it brought about new information security issues such as identity theft, privacy leak and junk information. In This paper we mainly concentrate on the network security also we present some major issues that can influence the network along with existing problems of the online security of the computer, and precautionary measures

2014

This paper reviews 3 case studies related to network security. The first two exercises deal with security planning, including classifying data and allocating controls. The third exercise requires more extensive TCP knowledge, since the exercise includes evaluating a computer power-up sequence … but with interesting results!