A company encountered a breach on its web servers using IIS 7 5 Dunng the investigation, an engineer discovered that an attacker read and altered the data on a secure communication using TLS 1 2 and intercepted sensitive information by downgrading a connection to export-grade cryptography. The engineer must mitigate similar incidents in the future and ensure that clients and servers always negotiate with the most secure protocol versions and cryptographic parameters. Which action does the engineer recommend?