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Unit 2C - Security

Introduction:

Security is about keep data safe from users who should not have access to that information (unauthorized users). This data can be read, used or corrupted, so the idea of data security was born. Data security helps people keep their files confidential and keep it protected. Data security’s purpose is to keep data from being used by unauthorized users.
A form of data security is encryption, encryption works but scrambling letters and numbers into an unreadable code. Only the authorized users will have the key to unscramble the code and get the correct data.
Data protection and security allows users to identify and view the issues and risk that are known when retrieving the data which can be deleted or lost through not only hackers and viruses and natural disasters.

Data security is needed in order to stay safe. In the ever changing world of global data communications, reasonably priced Internet connections, and fast-paced software development, security is becoming more and more of an issue. Security is now a basic requirement because global computing is insecure. As your data goes from one place to another on the internet, for example it may pass through numerous other places along the way, giving other users the opportunity to capture and even modify the data.
What information is held about me by my website?

E-commerce websites have no way of communicating face to face