Which protocol is commonly used to secure log transmission in security operations?

The choice of Syslog over TLS as the protocol commonly used to secure log transmission in security operations is particularly significant. Syslog is a standard for message logging that allows for the collection of logs from various devices and applications in a centralized manner. However, the traditional Syslog protocol does not include encryption, meaning that log data can be transmitted in plain text, potentially exposing sensitive information to interception.

By employing Syslog over TLS, the log data is encrypted during transmission, which enhances security by protecting the integrity and confidentiality of the log messages. This is crucial in security operations, where logs often contain sensitive information that could be valuable to attackers.

Using encryption protocols such as TLS (Transport Layer Security) ensures that even if the data is intercepted, it cannot be easily read or manipulated. This makes Syslog over TLS a preferred choice for securing log transmission and maintaining the trustworthiness of the logs collected for analysis and monitoring within security operations.

In contrast, HTTP and FTP do not provide built-in encryption mechanisms for log transmissions, making them less secure options. SFTP, while secure for file transfers, is not specifically designed for log transmission and would not be used as commonly as Syslog over TLS in this context.