Social Network Analysis and Mining: Privacy and Security on Twitter MansourAlshaikh Engineering and Computer Science Oakland University Rochester, Michigan, USA mansouralshaikh@oakland.edu Debatosh Debnath Engineering and Computer Science Oakland University Rochester, Michigan, USA debnath@oakland.edu Mohamed Zohdy Engineering and Computer Science Oakland University Rochester, Michigan, USA zohdyma@oakland.edu Zahraddeen Gwarzo Information Technology Lawrence Technological University Southfield, Michigan, USA zgwarzo @ltu.edu Richard Olawoyin Industrial and Systems Engineering Oakland University Rochester, Michigan, USA olawoyin@oakland.edu Jalal Alowibdi Computer Science and Engineering University ofJeddah Jeddah,SaudiArabia jalowibdi@uj.edu.sa Abstract- As technologies advance rapidly, privacy and security issues have become one of the top concerns in the digital communication today. Thus, we are trying to understand and drawing a conceptual view that relies on how people perceive privacy and security in this era of dynamic digital proliferation. In order to analyze and see what a person's impression regarding the privacy and security of online merchants, online social network, and other digital media, this research uses one of the most widely used social network, Twitter, to analyze Twitter users' interactions with one another for the purpose of extracting meaningful data to aid in determining users' perception to privacy and security of the digital world. Based on this analysis, we have constructed our study and drawn our conclusions. This research uses statistical learning approach to analyze tweets and efficiently discover privacy and security issues of online merchants, social network, and other prominent digital media outlets. For gathering the essential information, more than two million relevant tweets through the span of two years were used to conduct the study. The results of this research show significant implications for privacy and security from tweeter users' perception. Keywords-security, privacy, social network, web mtntng, Twitter, cyber security, online merchants, semantic social network analysis. I. INTRODUCTION Privacy is a vital aspect of the study. It is a social phenomenon where other people should not observe an individual [1]. It is culturally sensitive and contextually based [2]. Nevertheless, regarding information system management, it includes three important aspects, such as confidentiality, integrity, and availability [3]. In this regard, the study will attempt to understand how various individuals perceive privacy and security issues through their views, opinions on their social network posts, particularly Twitter [4], [5]. Consequently, social network privacy is a vital aspect of the study. People have different views on social network. According to Statista, Twitter users, as of20l9, worldwide is 500 million 978- 1-728 1-3783-4/20/$3 1.00 ©2020 IEEE [6]. In this respect, different studies, such as Chakraborty et aI., [7], Adam, et aI., [8] and Liang, et aI., [9] have revealed that Twitter users are concerned about the privacy and security of social network websites. Regardless, Espinosa & Xiao [10], report that women are more likely to have privacy issues compared to men. As such, the analysis of different posts and tweets can help draw an overview of the perception of privacy and security. This study focuses on the users' tweets on privacy and security to identify their perception. Consequently, to gather the tweets, various watchwords are utilized including Health Information Portability and Accountability Act (HIPAA), iCloud, data privacy and information security, In the underlying investigation, each catchphrase was that matched the issues of privacy and security were used [11]. As a second step of the investigation, all numbers, images, and other non-word content are sifted through and further talk examination is done to decide how these words are developing and corresponding. From the research, Twitter users are worried about their online life individual information security especially when the organization changes its privacy terms. The tweets of the Twitter users demonstrate that they frequently talk about cell phones privacy and security to further help the individuals who intend to purchase soon. Additionally, they are likewise worried about various acts and laws that effect the security terms of Twitter and how it influences their privacy and security [12]. In this regard, privacy and security issues in Twitter accounts have become prevalent in social network. A. Problem Statement Innovations have enabled the widespread use of social network. It has become a necessary tool that enables people to share their ideas and thoughts without bias [4]. Besides, it is built on a business model, which depends on user data for communication and improving its business model [11]. Since the data is not only essential to the users but also the 0712