How can data be securely transferred to Amazon S3?

The option of using HTTPS or SFTP for securely transferring data to Amazon S3 is correct because both protocols ensure that data is encrypted during transit.

HTTPS (Hypertext Transfer Protocol Secure) is an extension of HTTP that uses encryption protocols such as TLS (Transport Layer Security) to provide secure communication over a computer network. This means that any data transferred to S3 using HTTPS is protected against eavesdropping and tampering, making it a secure method for data transfer.

SFTP (Secure File Transfer Protocol) is another secure method that provides a secure way to transfer files over an SSH (Secure Shell) connection. Like HTTPS, SFTP encrypts the data packets, along with authentication information, ensuring the confidentiality and integrity of the transmitted data.

Considering the other options, using plain HTTP does not provide encryption, making it vulnerable to interception and attacks. FTP (File Transfer Protocol) also does not encrypt data during transfer, which poses significant security risks. Telnet is similarly insecure, as it transmits data, including sensitive information like passwords, in plain text, exposing it to potential interception.

Therefore, HTTPS and SFTP stand out as the appropriate, secure choices for transferring data to Amazon S3, as they comply with best practices in data security