An analyst has determined that a server was not patched and an external actor exfiltrated data on port 139. Which of the following sources should the analyst review to BEST ascertain how the Incident could have been prevented?

A research company discovered that an unauthorized piece of software has been detected on a small number of machines in its lab. The researchers collaborate with other machines using port 445 and on the Internet using port 443. The unauthorized software is starting to be seen on additional machines outside of the lab and is making outbound communications using HTTPS and SMB. The security team has been instructed to resolve the problem as quickly as possible causing minimal disruption to the researchers. Which of the following contains the BEST course of action in this scenario?

A security analyst is hardening a network infrastructure. The analyst is given the following requirements:
* Preserve the use of public IP addresses assigned to equipment on the core router.
* Enable "in transport" encryption protection to the web server with the strongest ciphers.
Which of the following should the analyst implement to meet these requirements? (Select TWO).

Business partners are working on a secunty mechanism lo validate transactions securely. The requirement is for one company to be responsible for deploying a trusted solution that will register and issue artifacts used to sign encrypt, and decrypt transaction files. Which of the following is the BEST solution to adopt?

Which of the following is a reason to publish files' hashes?