Which type of DNS abuse exchanges data between two computers even when there is no direct connection?

The correct answer is D. data exfiltration. Data exfiltration involves the unauthorized transfer of sensitive data from an organization's network to an external location, typically controlled by an attacker. Attackers often use DNS as a means of data exfiltration, as it allows them to bypass traditional network security co

Submitted by alyssa_d· Mar 30, 2026Network Security

Question

Options

Amalware installation
Bcommand-and-control communication
Cnetwork footprinting
Ddata exfiltration

How the community answered

(46 responses)

A
2% (1)
B
4% (2)
C
13% (6)
D
80% (37)

Explanation

Data exfiltration involves the unauthorized transfer of sensitive data from an organization's network to an external location, typically controlled by an attacker. Attackers often use DNS as a means of data exfiltration, as it allows them to bypass traditional network security controls and transmit data using domain name queries and responses. Command-and-control (C2) communication is another type of DNS abuse used by attackers to remotely control compromised devices, but it does not involve the exchange of data between two

Topics

#DNS tunneling#data exfiltration#DNS abuse#covert channel

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