In the virtual world or online universe, there is no possibility of humans validating the authenticity of someone or something trying to interact with the computer system. Hence, there needs a sophisticated and secure mechanism to ensure the right entity can only get into the computer. That is where authentication comes into the picture. Authentication plays the role of gatekeeper ensuring secure access.
Youtube link for the CyberTalk: https://youtu.be/IYIERk7bR3w
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