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       Cyber security can be described as the collective methods, technologies, and processes to help protect computer systems, networks, and data.    ③ Specifically speaking, cyber security is to protect all organizational assets from both external and internal threats as well as potential privacy flaws.    Businesses should use different approaches to keep their business data, their cash flow, and their customers safe online.    ④Reviewing all software regularly and maintaining digital identity properly help in identifying issues early and taking effective measures.