What is Encryption?
Scrambling data so only authorised parties can read it
Why It Matters
Encryption protects sensitive data even if attackers gain access to your systems
Real-World Example
Passwords stored as encrypted text that can't be read even by database administrators
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Related Terms
SSL/TLS
Security technology that encrypts data sent between your website and your users
Hashing
Converting data into a fixed-length code that cannot be reversed to reveal the original
Authentication
The process of verifying who someone is, usually through a username and password
Authorisation
Determining what actions or data a verified user is allowed to access
OAuth
A standard that lets you log into apps using your existing accounts from Google, Facebook, or other providers
JWT (JSON Web Token)
A secure digital pass that proves who you are without needing to check the database every time