Rewanth Tammana is a security ninja, open-source contributor, and a full-time freelancer. Previously, Senior Security Architect at Emirates NBD (National Bank of Dubai). He is passionate about DevSecOps, Cloud, and Container Security. He added 17,000+ lines of code to Nmap (famous as Swiss Army knife of network utilities). Holds industry certifications like CKS (Certified Kubernetes Security Specialist), CKA (Certified Kubernetes Administrator), etc.
Rewanth speaks and delivers training at international security conferences worldwide including Black Hat, Defcon, Hack In The Box (Dubai and Amsterdam), CRESTCon UK, PHDays, Nullcon, Bsides, CISO Platform, null chapters and multiple others.
He was recognized as one of the MVP researchers on Bugcrowd (2018) and identified vulnerabilities in several organizations. He also published an IEEE research paper on an offensive attack in Machine Learning and Security. He was also a part of the renowned Google Summer of Code program.
independent consulting
Two weeks ago at AWS ReInvent, the AWS team released a new add-on for the EKS cluster. This feature simplifies the access to AWS services from EKS pods. This blog is a hands-on demonstration & exploration of this feature. Scenario To demonstrate the ...

Generative AI, LLMs, & GPTs are the buzzwords these days. Every day numerous tools & websites are launched with AI offerings. Most often, the best ones are expensive to afford & the free ones won't give desired results. Just a week ago, AWS launched ...

Ensuring least-privilege access in Kubernetes can be complex at times for security & DevOps teams. This blog aims to cover a variety of scenarios where the EKS cluster connects with other AWS resources. This is the architecture of the multiple scenar...
