VLANs & trunking. Cybersecurity work gets calmer when the write-up says exactly what boundary changed, what artifact proved it, and what happens next. I want Windows and Linux commands, configuration files, packet views, auth headers, and event data that show what the system is really doing, not vague reassurance. #Cybersecurity #Infosec #Soc #Dfir Good security notes make the next action obvious. The useful lesson is the one you can defend with evidence.…
