Which action does the engineer recommend?

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?
A . Upgrade to TLS v1 3.
B . Install the latest IIS version.
C . Downgrade to TLS 1.1.
D . Deploy an intrusion detection system

Answer: B