Information security or infosec is a set of practices that keep your data information secure from unofficial access or alteration or both while being stored or sent from one machine to another. Information security is often used interchangeably with cybersecurity. Cybersecurity refers to protecting your IT data from attack while information security is sub-discipline under cybersecurity. Network security and application security are other practices under cybersecurity. These sub-disciplines have to work together to ensure your data is secure. It is important to remember not all data is stored electronically but also needs to be secured. The three principles of information security are confidentiality, integrity, and availability also called CIA.
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