Rewanth Tammana
Rewanth Tammana's Blog

Rewanth Tammana's Blog

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Rewanth Tammana

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Rewanth Tammana is a security ninja, open-source contributor, and Senior Security Architect. He is passionate about DevSecOps, Application, and Container Security.

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Hardening Kaniko build process with Linux capabilities

Jan 26, 20223 min read

Build images inside Kubernetes/containers? Wide privileges in default configuration? How to secure Kaniko? Can we take things a notch higher?

Hardening Kaniko build process with Linux capabilities

CoSign with Kubernetes: Ensure integrity of images before deployment

Jan 13, 20226 min read

Notary vs CoSign? Is CoSign a good alternative? Can we automate keys & signature rotation?

CoSign with Kubernetes: Ensure integrity of images before deployment

Kubectl Whisper Secrets: Create Kubernetes Secrets With Secure Input

Nov 3, 20212 min read

Krew plugin to create Kubernetes secrets securely

Kubectl Whisper Secrets: Create Kubernetes Secrets With Secure Input

Kubectl Fields: One-liner Kubernetes Resource Hierarchy Dumper

Sep 3, 20216 min read

Kubernetes resources hierarchy parsing plugin

Kubectl Fields: One-liner Kubernetes Resource Hierarchy Dumper

Enhancing the security audit logging of Harbor with OpenResty

Aug 27, 20215 min read

Why and how I achieved the audit logging functionality in Harbor Private Container Registry

Enhancing the security audit logging of Harbor with OpenResty

Creating Malicious Admission Controllers

Aug 9, 20213 min read

Admission controllers play a crucial role in Kubernetes & are leveraged by multiple tools & teams to defend the clusters. A simple misconfiguration in the setup allows attackers to effortlessly leverage this defensive feature to perform offensive att...

Creating Malicious Admission Controllers