Hi folks! This past weekend, I played the CTF again with my friend and created a Work From Cloud team to participate in the DEF CON 29 Cloud Village CTF for the first time after HTB Business CTF two weeks ago. The CTF begins at 02.15 AM (Indonesia Time), we’ve started our first day by exploring some challenges by understanding what’s cloud services that covered. …


Hi everyone! I want to share my experience when participated in the Capture The Flag (CTF) event from HackTheBox especially in cloud category by solving a challenge called “Kube”. The participants had to create a team or join an existing team were capped at 10 users (1 team), and honestly I joined my friend’s team in 3 hours before the event ends yesterday (Indonesia Time). This is the 2nd time, I playing CTF with my friends, previously we also participated in the AWS CTF 2021 from HackerOne and learned a lot about AWS cloud enumeration, how the services works with…


Most organization are adopting Kubernetes in their production workloads and it’s necessary to aware of security in the whole cluster both in network level, application level, OS level, etc. But on this chapter we will discuss about Network Policy (Network level) to securing communication between an application in the workloads, networking in Kubernetes is really complex because we need to understand the basics concept of networking like TCP/UDP, OSI model, encapsulated network, etc. …


This is my first publication in Medium, so I want to share some tips with all of you about preparation for taking the CKSS exam. Enjoyed!

Last year in November, The Linux Foundation and CNCF added a new certification for Kubernetes topic called “Certified Kubernetes Security Specialist” which provides a security concern in Cloud-Native environment. …

Muhammad Yuga N.

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