https://www.xfilsecurity.io/post/building-a-free-splunk-detection-lab-a-junior-detection-engineer-s-guide 2026-05-16 https://static.wixstatic.com/media/b5c3ed_f3d4381930814a37825d50e1673ef221~mv2.png XFIL Security Building a Free Splunk Detection Lab