A US Federal agency network was the target of a DoS attack that prevented and impaired the normal authorized functionality of the networks. According to agency's reporting timeframe guidelines, this incident should be reported within two (2) HOURS of discovery/detection if the successful attack is still ongoing and the agency is unable to successfully mitigate the activity. Which incident category of the US Federal Agency does this incident belong to?

In NIST risk assessment/ methodology; the process of identifying the boundaries of an IT system along with
the resources and information that constitute the system is known as:

Spyware tool used to record malicious user's computer activities and keyboard stokes is called:

The largest number of cyber-attacks are conducted by:

Removing or eliminating the root cause of the incident is called: