When we use applications like Gmail, Netflix, or online banking, we rarely think about the security processes happening in the background. Yet every login and every action we perform depends on two fundamental concepts: Authentication and Authorization.
Although these terms are often used interchangeably, they serve completely different purposes. Understanding their difference is essential for anyone learning cloud computing, cybersecurity, or software development.
What is Authentication?
Authentication is the process of verifying who you are.
Before granting access to any application, the system needs to confirm your identity. This is usually done through credentials such as:
