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.

Remote Desktop Protocol (RDP) is a widely used feature in Windows to access a computer remotely. However, it can also be a target for malicious activities, such as brute force attacks. In this article, we will create a Windows Service that monitors the Windows Event Log for multiple failed RDP authentication attempts within a specific time frame, sends an email alert to the server owner, and blocks the IP address temporarily.

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.

This technical summary documents the process of designing and implementing a Business Continuity Management (BCM) strategy for a Singapore real estate agency's ERP solution. The strategy involves migrating on-premise servers to the cloud, creating primary and secondary server structures, implementing JSON web API calls and Windows backend services for data synchronization, and enhancing security measures. The result is a reliable and accessible system capable of maintaining business operatio...