How do watering hole attacks avoid detection by scanning services?
A. by focusing the malware of its campaign so that it is only delivered to visitors from the IP address range of the target organization
B. by compromising the web server of an innocent bystander, so that the malware attack cannot be attributed to servers owned by the attacker
C. by compromising DHCP servers of home routers so that the users will be directed to the websites that are compromised by the attacker
D. by delivering email only to valid email addresses that are targeted from a specific list so that the volume of traffic stays low
