The latest articles on DEV Community by Layne Walker (@lawalker). https://dev.to/lawalker https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4020280%2Fc3712f37-2476-4053-9262-cb11163a1b2d.png https://dev.to/lawalker en Layne Walker Tue, 07 Jul 2026 23:10:21 +0000 https://dev.to/lawalker/starting-kql-ec1 https://dev.to/lawalker/starting-kql-ec1 <p>I have always liked to twiddle with computers and dig around in files. It's time for me to do a career pivot, so I'm teaching myself what computer concepts I can to prepare for further education and a future career.</p> <p>I have to start somewhere, so I have decided to learn KQL. Last week, I started the free curriculum at kc7cyber.com. As of this writing, I have finished 5 modules of 44. I'm not going to go into what everything means just yet, but so far I have learned:</p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>The 9 basic tables that map out an enterprise network. Core operators like ==, contains, !contains, has, take, distinct, and count. How to use the let command to define variables. How to take notes and comment inside the Azure Data Explorer (ADX) interface. </code></pre> </div> <p>From what I can tell, it's not super different from using filters in Excel, you can just get more specific in what you're looking for. </p> security kql beginners