Which of the Following Statements Is True of the Discovery

Multiple Choice

Which of the following statements is true of the discovery phase of an advanced persistent threat?

A) An intruder gains useful information about the target.
B) An intruder establishes a computer program that bypasses security mechanisms.
C) An intruder is ready to access compromised systems and capture information.
D) An intruder gathers valid user credentials and installs backdoors for distributing malware.