A user needs to download tax documents from a financial website. Which of the following is the website MOST likely to use for transmission of the tax document to the user's browser?

HTTP (Hypertext Transfer Protocol) transmits data in plain text, making it unsuitable for sensitive information like tax documents as it offers no encryption and is vulnerable to interception.

HTTPS (Hypertext Transfer Protocol Secure) encrypts all communication between the web server and the user's browser, ensuring that sensitive data like tax documents are protected from eavesdropping and tampering during transit. This is critical for financial transactions and personal data.

SFTP (SSH File Transfer Protocol) is primarily used for secure file transfers between a client and a server, often for uploading or downloading large files or managing server directories, not typically for direct document downloads to a user's web browser from a financial website.

FTP (File Transfer Protocol) transmits data in plain text without encryption, making it highly insecure and inappropriate for transferring sensitive financial documents.