Author Archives: Allen Rodriguez

Amazon DynamoDB, a serverless, NoSQL database service, has revolutionized how developers handle scalable and high-performance data storage. Two fundamental operations define how data is retrieved from DynamoDB tables: Scan and Query. Despite their seemingly similar objectives, these operations function differently and carry distinct performance and cost implications. Understanding the nuances between Scan and Query is […]

Estimating your monthly Azure usage begins with understanding the various pricing models Microsoft offers. Azure provides pay-as-you-go plans, reserved instances, and spot pricing options, which can greatly influence your monthly bill. Each model has unique advantages and is suitable for different scenarios. Pay-as-you-go plans are ideal for dynamic workloads where usage can vary significantly from […]

AWS credits are fantastic for getting started, testing ideas, or scaling early customers, but they also create a dangerous illusion. On your AWS bill, it is very easy to look only at the final amount after credits and think that is what your architecture really costs. In reality, AWS calculates your full usage first, then […]

Enterprise cloud migration has evolved from a future possibility into an immediate business imperative. Organizations across industries recognize that maintaining on-premises infrastructure creates operational bottlenecks, inflates costs, and limits scalability. Amazon Web Services stands at the forefront of cloud innovation, and among its comprehensive service portfolio, AWS Application Migration Service (MGN) represents a breakthrough in […]

Preparing for an AWS certification can feel overwhelming, especially when you’re trying to determine which free resources offer the most value. With the cloud industry growing at an explosive pace, the demand for certified professionals has never been higher. Whether you’re pursuing an entry-level badge or a specialty-level certification, the right study materials will dramatically […]

Amazon DynamoDB is renowned for its scalability and performance as a fully managed NoSQL database service. At the heart of its operation lies the concept of throughput capacity, specifically the read and write capacity units. These units determine how much data can be read or written to the database per second. Understanding this is not […]

API Gateway acts as a vital component in modern cloud and microservices architectures by serving as a single entry point for clients accessing backend services. It handles request routing, security, throttling, and monitoring. One of its important features is response caching, which improves performance and reduces latency by storing responses from backend integrations temporarily. By […]

In modern cloud computing environments, the ability to respond to events in real-time has become a critical factor in building efficient, scalable, and intelligent applications. Real-time event handling enables applications to react instantly to data changes, system events, or user interactions without the need for manual intervention. AWS Lambda, when combined with DynamoDB Streams, provides […]

The AWS Solutions Architect Associate certification is a cornerstone for IT professionals aiming to excel in cloud computing. Achieving this certification demonstrates that you can design, deploy, and maintain scalable, highly available systems on AWS. It is highly regarded globally, making it a valuable asset for advancing your cloud career. AWS certifications are organized into […]

The world of technology has undergone a profound transformation over the past decade. Cloud computing, once considered a niche technology, has become the backbone of modern enterprise IT. Businesses of all sizes are shifting their workloads to cloud platforms to leverage scalability, cost-efficiency, and global accessibility. Among cloud providers, Amazon Web Services (AWS) remains a […]

Preparing for AWS certifications has become a major priority for aspiring cloud professionals, developers, architects, and IT practitioners around the world. With more companies migrating their workloads to cloud platforms, the demand for certified engineers continues to rise. The AWS ecosystem, rich with services covering compute, storage, networking, analytics, databases, and automation, requires structured study […]

The earliest attempts to secure networks were rather rudimentary, focused on perimeter security and physical isolation. In the infancy of the internet, organizations believed that securing the boundaries of their internal networks would suffice to keep malicious actors at bay. The principle of “trust but verify” was nascent at best. Over time, as connectivity proliferated […]

Buffer overflow vulnerabilities represent one of the most enduring challenges in software security. At its core, a buffer overflow occurs when a program attempts to store more data in a memory buffer than it was allocated to hold. This excess data then spills over into adjacent memory regions, corrupting or overwriting existing data. Although this […]

SSL decryption has become an essential component of modern network security infrastructure. Organizations today face sophisticated threats that hide within encrypted traffic, making visibility a critical challenge. The process involves intercepting, decrypting, inspecting, and re-encrypting SSL/TLS traffic to identify malicious content that would otherwise pass undetected through security defenses. This capability allows security teams to […]

Encryption has been a vital tool for preserving secrecy since antiquity. The desire to protect sensitive information predates digital technology by millennia, with early ciphers developed to shield military plans, diplomatic correspondence, and trade secrets. Symmetric encryption, where one key both encrypts and decrypts data, is the oldest and most straightforward cryptographic method. Its simplicity […]