The security of a website can be ensured by:

Correct option is C

The correct answer is (c) if the url begins with https and has the padlock icon before the url
Explanation:
● HTTPS stands for Hypertext Transfer Protocol Secure.
● The 'S' at the end indicates that the communication between the browser and the website is encrypted and secure.
● The padlock icon in the address bar serves as a visual indicator that the connection is secure.
Information Booster:
● HTTP is the unsecured version of the protocol. Data sent over HTTP can be intercepted.
● FTP (File Transfer Protocol) is used for transferring files, not primarily for secure web browsing.
Additional Knowledge:
● Secure websites use SSL/TLS certificates to encrypt data.