Janos Szurdi, Author at Unit42

A conceptual image related to the domain name system, in this case applied to an analysis of top-level domains and malicious content.

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A Peek into Top-Level Domains and Cybercrime

By Janos Szurdi
November 11, 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

A conceptual image that illustrates the concepts of cybersquatting and domain parking, both of which can be abused by malicious actors to distribute malware, etc.

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Domain Parking: A Gateway to Attackers Spreading Emotet and Impersonating McAfee

By Ruian Duan, Zhanhao Chen, Seokkyung Chung, Janos Szurdi and Jingwei Fan
October 29, 2020 at 3:00 AM

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11 min. read

This image illustrates the concept of cybersquatting, a practice used by cybercriminals to take advantage of well-known domain names and brands.

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Cybersquatting: Attackers Mimicking Domains of Major Brands Including Facebook, Apple, Amazon and Netflix to Scam Consumers

By Zhanhao Chen and Janos Szurdi
September 1, 2020 at 3:00 AM

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17 min. read

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Studying How Cybercriminals Prey on the COVID-19 Pandemic

By Janos Szurdi, Zhanhao Chen, Oleksii Starov, Adrian McCabe and Ruian Duan
April 22, 2020 at 6:00 AM

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19 min. read