Zeroday: InfoSec, Cyber Defense, Tutorials

  • Packet Capture with Wireshark

    Packet Capture with Wireshark

    Wireshark is a network protocol analyzer that operates at the heart of network communication. It serves as a virtual window into the world of data transmission, providing an examination of network packets and their contents. Without diving into the intricacies of numbers and figures, let’s unravel how Wireshark works. At its core, Wireshark is a…

  • The CIA Triad

    The CIA Triad

    The CIA Triad stands as a fundamental framework that ensures the security of sensitive information. This triad comprises three essential components: Confidentiality, Integrity, and Availability (CIA). (C)onfidentiality is the first pillar of this framework. It focuses on keeping information private, accessible only to those with the proper authorization. Just as you wouldn’t want your personal…

  • Defense in Depth

    Defense in Depth

    The concept of “Defense in Depth” is emerging as a strategic approach to security that mirrors the way we naturally protect ourselves from various risks in daily life. Just as you would not rely on a single lock on your front door to ward off potential intruders, relying solely on one layer of security is…