In 2019, when the term Secure Access Service Edge, or SASE, was first coined, it was to define a useful way of setting up the network and security infrastructure to satisfy a cloud-first future with services at the edge. Since then, SASE has been long on hype and discussion, but short on actual, practical advice. What does SASE mean for your digital transformation strategy?

When your organization is inevitably hit by a cyberattack, you want your security operations engineers to move lightning fast to identify the scope, duration, and impact of the attack, contain the disruption and prevent any costly or lasting damage. To do that, they need access to actionable information about everything that’s in your network — where devices are located, how they interact, and all the relevant details about their configuration and state.

Network traffic analysis is the routine task of various job roles, such as network administrator, network defenders, incident responders and others. Wireshark plays a vital role during the traffic analysis; it comes pre-installed in many Linux OS’s, for instance, Kali. otherwise, it is available to download from the official website. This article covers the traffic analysis of the most common network protocols, for example, ICMP, ARP, HTTPS, TCP, etc.