Getting started / 8 min read
Cybersecurity labs for beginners: a practical first month
Start cybersecurity labs with a four-week practice plan, a worked HTTP exercise, and a repeatable method for recording evidence and explaining fixes.
Read guideVulnOS / Field notesWork the problem.
Work the problem.
Understand the system.
Practical cybersecurity guides with worked examples, useful questions, and a next exercise you can take into a lab.
Web security / 8 min read
Broken access control and IDOR: a two-account lab guide
Understand broken access control and IDOR with a two-account test matrix, ownership checks, common false positives, and a clear regression-testing method.
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OT and ICS / 8 min read
OT vs IT security: learn ICS through a small process lab
Learn how OT and IT security differ through a simulated tank exercise covering PLCs, HMIs, process context, asset inventory, and safe investigation.
Read guidePublished by VulnOS Editorial. Examples are designed for isolated training environments. Technical references and their publication status were checked on 9 October 2026. Subscribe via RSS.