Which of the following is an attack attribute of an advanced persistent threat (APT) that...

An example of an attack attribute of an advanced persistent threat (APT) that is designed to remove data from systems and networks is an exfiltration attack vector. An exfiltration attack vector is a method or channel that an APT uses to transfer data from a compromised system or network to an external location. Examples of exfiltration attack vectors include email, FTP, DNS, HTTP, or covert channels.