Daiping Liu, Author at Unit42

A conceptual image representing exploitation of DNS, such as an often overlooked issue discussed in this blog, dangling domains, which can be exploited for DNS hijacking.

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Dangling Domains: Security Threats, Detection and Prevalence

By Daiping Liu and Ruian Duan
September 16, 2021 at 6:00 AM

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12 min. read

A conceptual image representing malicious domains, such as those that can be identified by the proactive detector discussed in this piece.

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Detecting and Preventing Malicious Domains Proactively with DNS Security

By Zhanhao Chen and Daiping Liu
May 4, 2021 at 6:00 AM

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11 min. read

Cybercriminals, conceptualized by this image of a man illicitly opening a door into a computer, use techniques such as fast flux, described here, to evade detection and law enforcement takedowns.

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Fast Flux 101: How Cybercriminals Improve the Resilience of Their Infrastructure to Evade Detection and Law Enforcement Takedowns

By Janos Szurdi, Rebekah Houser and Daiping Liu
March 2, 2021 at 6:00 AM

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13 min. read