Which type of data exfiltration technique encodes data in outbound DNS requests to specific servers and can be stopped by Cisco Umbrella?
A. DNS tunneling
B. DNS flood attack
C. cache poisoning
D. DNS hijacking
Which type of data exfiltration technique encodes data in outbound DNS requests to specific servers and can be stopped by Cisco Umbrella?
A. DNS tunneling
B. DNS flood attack
C. cache poisoning
D. DNS hijacking