wGrow - Team Notes

In today's world, securing networks from possible threats and attacks is more than a necessity; it's an absolute must. In my role as an AWS network security expert, I recently had an opportunity to work on an interesting project where the customer required a network firewall setup for an Internet Application Server.

This document provides a detailed overview of the security architecture we implemented for a medical service group on Amazon Web Services (AWS) and Microsoft Azure. It covers various facets of cloud server security - from initial setup to continuous monitoring and improvements, showcasing our comprehensive expertise in ensuring robust and secure cloud infrastructure.

Let's Encrypt is a free, automated, and open Certificate Authority (CA) that provides SSL/TLS certificates for websites. The ACME (Automatic Certificate Management Environment) protocol is used to automate the process of obtaining and renewing SSL certificates. In this article, we will create a Windows Service that automates the process of obtaining, installing, and renewing Let's Encrypt SSL certificates for IIS websites using the ACME challenge.

In this case study, we describe the process of virtualizing a legacy Windows Server 2000 application that gathers data from semiconductor testing equipment and produces reports for analysis. The application was running on an unsupported HP 2U Server ProLiant, and the management wanted to address the security risks and high maintenance costs associated with the outdated hardware and operating system. Our goal was to virtualize the server and application while preserving their functionality, and t...

This article outlines the process of improving the performance of a commercial medical service provider's patient management system without resorting to expensive server upgrades. The solution involves separating employee and public portals, distributing data across multiple servers, implementing archiving and web services, and utilizing Windows Service scheduled timer jobs for report generation. The implementation is based on ASP.NET, MS SQL, and AWS infrastructure.

Efficient and accurate billing processes are crucial to the financial health of a business. In the case of a Singapore energy company, the finance department faced challenges in producing timely monthly billing reports for major corporate clients. With data spread across multiple servers and sub-system databases, the in-house IT department struggled to keep up with the demand for report generation. In this article, we discuss the design and implementation of a .NET-based report system that strea...

In the complex world of global chemical imports, multinational corporations face the challenge of navigating diverse regulations and import limits across different countries. Furthermore, these limitations can change annually, and multi-country collaboration can lead to delays in the requirements gathering process. In this article, we discuss the implementation of a compliance check system that addresses these challenges while providing flexibility in production planning and material usage.