Your Resource for Cybersecurity Insights and Education for a Safer Digital World.
This cybersecurity blog, Isosecu, is dedicated to empowering individuals and organizations with essential knowledge to navigate the complex digital landscape safely. Our mission is to provide comprehensive cybersecurity education, raising crucial awareness about emerging threats and effective defenses. Through insightful articles, practical guidance, and in-depth analyses, we aim to foster responsible digital citizenship, ensuring our readers are well-equipped to protect their online presence and contribute to a more secure internet.
Learn how to secure DNS infrastructure with network segmentation and access control. Discover why authoritative and recursive DNS servers must be isolated, and see practical ACL configuration examples to prevent unauthorized DNS queries.
A comprehensive guide to using the `dig` command for DNS lookups, reconnaissance, and defense strategies. Includes examples, pro tips, and red vs blue team usage.
Learn how DNS amplification attacks weaponize open DNS resolvers to flood a victim's network. This article details the attack mechanics and provides crucial blue team strategies, including ingress filtering and DNS hardening, to defend against this powerful form of DDoS.
An in-depth guide to NXDOMAIN responses and phantom domain attacks in DNS, with red and blue team perspectives and code examples.
A beginner-friendly guide to the Domain Name System (DNS). Learn how DNS works, its hierarchy, and its critical role in cybersecurity for Red and Blue Teams.
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