Your VPN Isn't as Safe as You Think: 5 Shocking Truths from Recent ResearchIntroduction: For years, the Virtual Private Network (VPN) has been hailed as an essential tool for digital privacy and security a personal invisibility cloak for the internet. We turn it on to shield our activity from prying eyes on public Wi-Fi, se...Nov 27, 2025 · 7 min readrabindra-kumar-meher.hashnode.dev
SQL Injection for Beginners – How Hackers Break into WebsitesIf you’ve ever logged into a website, entered your username and password, and clicked “Submit,” there’s a lot happening behind the scenes.Your details travel from the website to a database — a place where all usernames, passwords, and other sensitive...Aug 12, 2025 · 4 min readrabindra-kumar-meher.hashnode.dev
Step-by-Step Instructions for MongoDB Aggregation PipelinesStep-by-Step Guide to MongoDB Aggregation Pipelines In today's data-driven world, the ability to efficiently process and analyze large datasets is crucial. MongoDB, a leading NoSQL database, offers a powerful tool to accomplish this: the aggregation ...Jun 26, 2024 · 8 min readrabindra-kumar-meher.hashnode.dev
Difference between Access token and Refresh tokenAccess token vs Refresh token In the web and mobile application security context, the functions of access tokens and refresh tokens must be recognized. Though both are very significant in authentication and authorization mechanisms. Access Tokens: Ac...Jun 25, 2024 · 2 min readrabindra-kumar-meher.hashnode.dev