After a remote command execution incident occurred on a web server, a security analyst found the following piece of code in an XML file:

Which of the following it the BEST solution to mitigate this type of attack?

A new vanant of malware is spreading on ihe company network using TCP 443 to contact its command-and-control server The domain name used for callback continues to change, and the analyst is unable to predict future domain name variance Which of the following actions should the analyst take to stop malicious communications with the LEAST disruption to service?

After examine a header and footer file, a security analyst begins reconstructing files by scanning the raw data bytes of a hard disk and rebuilding them. Which of the following techniques is the analyst using?

A security analyst is researching an incident and uncovers several details that may link to other incidents. The security analyst wants to determine if other incidents are related to the current incident Which of the followinq threat research methodoloqies would be MOST appropriate for the analyst to use?

Legacy medical equipment, which contains sensitive data, cannot be patched. Which of the following is the BEST solution to improve the equipment's security posture?