DNS security Archives - 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.

7,584

people reacted

Dangling Domains: Security Threats, Detection and Prevalence

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

6

12 min. read

A conceptual image representing issues with DNS, such as the DNS rebinding discussed here.

16,812

people reacted

DNS Rebinding Attack: How Malicious Websites Exploit Private Networks

By Zhanhao Chen
August 31, 2021 at 6:00 AM

24

13 min. read

A conceptual image representing phishing, as discussed in this post. Here, we cover CAPTCHA-protected phishing campaigns and how they can be detected and mitigated.

21,371

people reacted

Discovering CAPTCHA Protected Phishing Campaigns

By Shresta Bellary Seetharam, Billy Melicher and Oleksii Starov
August 13, 2021 at 12:00 PM

23

8 min. read

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

25,867

people reacted

Detecting and Preventing Malicious Domains Proactively with DNS Security

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

8

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.

33,860

people reacted

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

22

17 min. read

34,227

people reacted

xHunt Campaign: New PowerShell Backdoor Blocked Through DNS Tunnel Detection

By Robert Falcone and Brittany Barbehenn
October 10, 2019 at 5:00 AM

13

11 min. read

88,330

people reacted

Newly Registered Domains: Malicious Abuse by Bad Actors

By Zhanhao Chen, Jun Javier Wang and Kelvin Kwan
August 20, 2019 at 6:00 AM

34

12 min. read