Rebekah Houser, Author at Unit 42

Protect Against Russia-Ukraine Cyber Activity

DNS security and issues such as domain shadowing are represented by the caution sign within a folder structure. Image includes Palo Alto Networks and Unit 42 logos.

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Domain Shadowing: A Stealthy Use of DNS Compromise for Cybercrime

By Janos Szurdi, Rebekah Houser and Daiping Liu
September 21, 2022 at 6:00 AM

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7 min. read

A conceptual image representing attacks on DNS, including the Wildcard DNS abuse discussed here.

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Play Your Cards Right: Detecting Wildcard DNS Abuse

By Rebekah Houser and Daiping Liu
December 1, 2021 at 6:00 AM

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10 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