Jay Tillu

@jaytillu

Information Security Engineer

IndiaJoined February 2023

About

Hello! I'm Jay Tillu, an Information Security Engineer at Simple2Call. I have expertise in security frameworks and compliance, including NIST, ISO 27001, and ISO 27701. My specialities include Vulnerability Management, Threat Analysis, and Incident Response. I have also earned certifications in Google Cybersecurity and Microsoft Azure. I’m always eager to connect and discuss cybersecurity—let's get in touch!

Jay Tillu's blogs

CyberSecurity Blogs - Jay Tillujaytillu.hashnode.dev224 posts

Recently published

jaytillu.hashnode.dev

Understanding IAM Roles in AWS: Trusted Entities, Types, and Practical Use Cases AWS SAA

Arjun had just stepped into his new role as a Cloud Security Engineer. His team was building microservices on AWS. On Day 1, a developer pinged him: “Hey bro, our EC2 instance needs access to S3. Can you create an IAM User and share the access key?”...

Jun 24, 20254 min read

jaytillu.hashnode.dev

Learn how AWS RCPs Implement Security Boundaries Effectively

Arjun had just joined a fast-growing fintech startup as a Cloud Security Engineer. His mission?Secure the entire AWS infrastructure across dev, test, and production accounts. The company was using AWS Organizations to manage accounts, and they alread...

Jun 18, 20255 min read

jaytillu.hashnode.dev

AWS Security Groups vs. Network ACLs: What You Need to Know

Arjun, a new Cloud Security Engineer, just joined a fast-growing fintech startup. His job? To secure their AWS infrastructure. One morning, Arjun’s manager dropped a bomb. “We’re going live with our EC2-powered web app next week. Set up the VPC-leve...

Jun 17, 20258 min read

jaytillu.hashnode.dev

How to Set Up a Private EC2 Network on AWS with NAT and Secured SSH Access

Arjun had just landed his new role as a Cloud Security Engineer at a fintech startup. On Day 2, his manager dropped this on him: “Build a secure AWS network. No public exposure. We want a private EC2 that can access the internet — but no one should ...

Jun 16, 20255 min read

jaytillu.hashnode.dev

What Are AWS Bastion Hosts and How Do They Work?

Arjun is a Cloud Security Engineer who is setting up a production-grade AWS architecture. His EC2 instance holds critical data, so he places it inside a private subnet — completely isolated from the internet. But then...He needs to SSH into that inst...

Jun 13, 20255 min read

Search Hashnode

Jay Tillu

About

Jay Tillu's blogs

Recently published

Understanding IAM Roles in AWS: Trusted Entities, Types, and Practical Use Cases AWS SAA

Learn how AWS RCPs Implement Security Boundaries Effectively

AWS Security Groups vs. Network ACLs: What You Need to Know

How to Set Up a Private EC2 Network on AWS with NAT and Secured SSH Access

What Are AWS Bastion Hosts and How Do They Work?