Cryptocurrency Hacks: The Biggest of All Time

Cryptocurrency is a digital or virtual currency that uses cryptography to secure its transactions and control the creation of new units. Cryptocurrencies are decentralized, meaning they are not subject to government or financial institution control. While cryptocurrencies offer a number of advantages over traditional currencies, they also come with their own set of risks. One

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What is WebSocket?

Introduction: WebSockets is a communication protocol that provides a persistent, bidirectional, full-duplex connection between a client and a server over a single TCP connection. It allows for real-time, interactive communication between the client and the server, enabling data to be transmitted in both directions simultaneously. Unlike traditional HTTP requests, which follow a request-response model, WebSockets

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Advantages of Node.js

Introduction: Node.js is a powerful and popular open-source JavaScript runtime environment that enables developers to create server-side applications with ease. Ryan Dahl created it in 2009, and since then it has become one of the most widely used web development frameworks. Node.js is based on an event-driven, single-threaded architecture which makes it lightweight and efficient

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Efficient File Uploads in Express: Best Practices and Tips

Introduction To handle file uploads in an Express.js application, you can use the multer middleware. multer provides an easy way to handle multipart/form-data and process file uploads. Here’s an example of how to handle file uploads using multer in Express: In this example, the upload.single('file') middleware is used to handle a single file upload. The

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HTTP Status Codes: A Comprehensive Guide

HTTP status codes are the result of an HTTP request. They tell you whether everything went well or not. In this comprehensive guide, we will cover all HTTP status codes and what they mean for your website. What are HTTP status codes?  HTTP status codes are a way of indicating the response of a request

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The Best Vulnerability Scanner Tools to Keep Your Business Safe

A vulnerability scanner is a software application that scans computer systems, networks, or applications for known security vulnerabilities. It is used to identify and address security holes before they can be exploited. There are many different types of vulnerability scanners available, and it can be difficult to decide which one is the best fit for

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Online Data Protection: What, Why, and How You Can?

You may have heard about the new EU data protection laws, GDPR, that came into effect in May of this year. If you’re like most people, you probably ignored it because you don’t know what it is or how it affects you. But don’t worry, we’re here to help. In this blog post, we will

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Top Node.js application frameworks

Introduction Node.js web application frameworks are becoming more popular every day. Different developers have different opinions on which framework is the best. In this blog post, we will compare five different Node.js web application frameworks: Express, Koa, Hapi, Restify, and Fastify. 1. Express  Express is one of the most popular Node.js web application frameworks and

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Unvalidated Redirects and Forwards | Server-side URL Redirect

Introduction Unvalidated Redirects and Forwards also called as URL Redirection or Server-side URL Redirect is a type of vulnerability found in most Web Applications. This vulnerability can be found in Java, Node.js, Python, PHP, Ruby, .NET and many more.  Unvalidated redirects and forwards occurs when a web application receives untrusted input in an HTTP request that could

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How to create a dynamic instrumentation agent in Node.js?

Creating a dynamic instrumentation agent in Node.js involves using the @opentelemetry/instrumentation package and customizing it to fit your specific use case. In this blog, we will walk you through the steps for creating a basic dynamic instrumentation agent in Node.js. Step 1: Install Required DependenciesThe first step is to install the necessary dependencies. For our

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