@unixsingh

Bikramjeet Singh

@unixsinghLondon, UKJoined July 2026

Motivated cybersecurity professional. Skilled in ethical hacking.

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Motivated cybersecurity professional. Skilled in ethical hacking.

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Bikramjeet Singh's blogs

Security Blogskkubernetes-k8s.hashnode.dev5 posts

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Recently published

BSBikramjeet Singhkkubernetes-k8s.hashnode.devJul 8 · 1 min read

Day 8 of my Kubernetes journey covers two things that are really one thing, how you talk to a cluster:

Your ~/.kube/config isn't a config file. It's a credential. Treat it like an SSH private key. 🔑 Kubeconfig = clusters (where) + users (who) + contexts (which user on which cluster). current-context

BSBikramjeet Singhkkubernetes-k8s.hashnode.devJul 6 · 2 min read

Day 7: Kubernetes Certificates, Finally Explained Without the Hand-Waving

I ended my last post saying the whole cluster trusts one thing: the TLS mesh between its components. That felt like a cop-out to leave hanging, so this is me actually opening it up. Every piece of Kub

BSBikramjeet Singhkkubernetes-k8s.hashnode.devJul 5 · 2 min read

Day 6: Who Are You, and What Can You Do? Kubernetes Auth, Demystified

Every command you run against a cluster goes through one door: the API server. So the first real question in Kubernetes security isn't "how do I stop attackers", it's simpler and sharper. Who are you,

BSBikramjeet Singhkkubernetes-k8s.hashnode.devJul 5 · 2 min read

Day 5: Stop Guessing Whether Your Kubernetes Cluster Is Hardened

Here's a question that's been nagging me: I can list a dozen ways a cluster gets popped, but how do I actually prove mine isn't sitting wide open? "I think it's fine" isn't an answer I'd accept from a

BSBikramjeet Singhkkubernetes-k8s.hashnode.devJul 5 · 2 min read

Day 4: The 4Cs of Cloud Native Security, and the Poll That Lied

Picture an online poll where thousands of people vote for their favourite programming language. The results page shows Python running away with it, miles ahead of everything else. The votes look real.