The encryption method commonly associated with securing communications is SSL/TLS (Secure Sockets Layer/Transport Layer Security). This protocol is widely utilized to protect data transmitted over networks, particularly on the Internet. SSL/TLS encrypts the connection between users and servers, ensuring that sensitive information like passwords, credit card numbers, and personal data remain confidential. The use of SSL certificates also helps establish trust, as they authenticate the identities of websites, providing users with assurance that they are communicating securely with legitimate sources.