Encrypted data cannot be read without a key.
Encryption Explained
Why Encryption Matters
Protects sensitive data.
Where You'll Come Across It
SSL and secure systems.
Practical Example
Secure payment processing.
Frequently Asked Questions
Do I need encryption on my website?
Yes. At minimum, your website should use HTTPS (SSL/TLS encryption) to protect data in transit. If you store sensitive data like passwords or payment information, that data should also be encrypted at rest in your database.
What is the difference between encryption and hashing?
Encryption converts data into a coded form that can be reversed with the right key. Hashing converts data into a fixed-length string that cannot be reversed. Passwords should be hashed (not encrypted), while sensitive data in transit should be encrypted.
Is encryption automatic with HTTPS?
Yes. Once your site has an SSL/TLS certificate and is served over HTTPS, all data between the browser and server is automatically encrypted. Your developer sets this up and it works transparently for visitors.