DNS

Culture and Cyber Behaviours: DNS Defending

ABSTRACT

The Domain Name System (DNS) provides the Internet mapping information that many applications rely on for proper functioning. DNS software is a popular and potent attack vector. Many DNS attacks can be prevented through the adoption of DNS security extensions (DNSSEC). DNSSEC provides assurance of data authenticity (Arends et al. 2005). Even though DNSSEC standard has been in place over a decade, adoption has remained uneven; therefore, cultural values and DNSSEC adoption and rejection rates were examined in this study. The findings reveal activity in several dimensions, thus, implying that DNSSEC behaviours and cultural values may be co-related.

Detection of DNS-Based Covert Channels

ABSTRACT

A compromised network will normally have some form of covert communication system installed. Covert communication channels can take many forms and can remain undetected until a major data breach has taken place. Compromised networks allow hackers to access private and confidential information so that they can engage in illegal behaviours such as data exfiltration. This article demonstrates that DNS-based covert channels have particular traffic signatures that can be detected in order to mitigate data exfiltration and malware command, and to control traffic.

Journal of Information Warfare

The definitive publication for the best and latest research and analysis on information warfare, information operations, and cyber crime. Available in traditional hard copy or online.

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The definitive publication for the best and latest research and analysis on information warfare, information operations, and cyber crime. Available in traditional hard copy or online.

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