A Review on Cyberattacks and Their Preventive Measures

Introduction

A cyberattack is an unauthorized access of computer systems. Cyber-attacks are propagated on computer users who are unaware of cybercrime techniques. Many organizations have already implemented safety measures to protect themselves from cyberattacks. Normal users suffer more because they don’t know how to protect their personal data, personal networks, and personal system from cyberattack. Cyber security is necessary to protect personal data, networks, and personal systems from unauthorized access and protect data from misuse. Cyber security consists of technologies, processes and measures that are designed to protect systems, networks, and data damage from cybercrimes. Effective cyber security reduces the risk of a successful cyberattack and protects data, organizations and individuals from the planned misuse of systems, networks and technologies. To refine the online search regarding cyber security challenges, the following keywords were used to search in the Google scholar, ISI Web of Knowledge, different Journals, Wikipedia, books etc. All articles’ bibliographies were also searched for additional resources. In the next section different types of cyberattacks are described briefly