Explore ISOsecu’s cybersecurity blog—insightful articles on privacy, Windows security, tools, and must-read guides to help you defend against evolving digital threats.
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.
An in-depth article explaining the concept of Network Address Translation (NAT), its types, usage in modern networks, benefits, drawbacks, and security implications. Suitable for beginners and intermediate readers in networking and cybersecurity.
This comprehensive article explores the intricacies of Wireless Local Area Networks (WLANs), from their fundamental components like access points and network cards to the evolution of IEEE 802.11 standards (Wi-Fi 4, 5, and 6) and the crucial security protocols (WEP, WPA, WPA2, WPA3) that keep your data safe.
A beginner-friendly guide to computer memory and how cybersecurity teams use it to protect systems, detect threats, and investigate attacks.
A comprehensive exploration of the foothold stage in cybersecurity attacks, with red team techniques, code samples, and defensive strategies for blue teams.
A deep dive into the Netcat tool, its capabilities, and practical usage for both red team and blue team operations.