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Cybersecurity has a vital role in Information Technology. The cybersecurity security involves the security on data/information stored in various devices present on different networks. However, it is very difficult to secure information in today’s world because of the increasing number of devices like computer systems, mobile phones, televisions, etc. for technological development. The data can be in many forms like data of employees in the organization, an individual’s data present on a social media website, the data stored in mobile devices or on the cloud. This data is stored mostly on networks including the company’s websites, servers, the cloud which is the main reason for data to be hacked. Numerous cyber threats are increasing day by day and to ensure cybersecurity and privacy of internet users various challenges have been faced by IT industries. Those challenges include data security, mobile security, network security, Application Security, Biometric authentication. The elaboration of these cybersecurity challenges and cyberattacks will be discussed in this paper. Cyber attacks are not only harmful to organizations, but it is also dangerous for individuals. Those attacks are the attacks done by cyber attackers for their advantage or to harm individuals for their revenge. Some common cyber threats are phishing, ransomware attack, malware, etc. whose description is given below in the ‘Types of cyber-attacks’ section. Moreover, this paper includes cybersecurity techniques that will be helpful to reduce data breaches, identity theft, or other cyber threats. Awareness of those cyber techniques will help both individuals and organizations to protect their information from various types of cyberattacks.