top of page
Tech Insights | Our Blog Corner
Empowering Ideas for Tech Professionals
Search


Best VPN Apps for Android in 2025 (Free & Paid Options)
Struggling to find a reliable VPN for your Android phone in 2025? Here’s your complete guide to the best free and paid VPN apps tested for speed, security, and value.
Kalyan Bhattacharjee
May 303 min read


Cloud Frameworks: AWS vs Azure vs Google Cloud (2025 Guide)
In 2025, AWS, Azure, and Google Cloud lead the cloud computing space. This blog breaks down their key features, pricing, and best use cases to help you choose the right platform. Whether you're a startup, developer, or enterprise, understanding these differences is essential for making informed decisions.
Kalyan Bhattacharjee
May 93 min read


eSIM Technology: The Future of Mobile Connectivity
Say goodbye to physical SIM cards—discover how eSIM is changing mobile connectivity forever.
Kalyan Bhattacharjee
Apr 223 min read


Bus Topology in Networking: Simple Yet Foundational
Learn what Bus Topology is, how it works, its pros & cons, and where it's still used today in this beginner-friendly networking guide.
Kalyan Bhattacharjee
Apr 163 min read


Star Topology Diagram: Structure, Functionality & Benefits
Star topology is a network setup where devices connect to a central hub or switch, ensuring easy management and high reliability.
Kalyan Bhattacharjee
Apr 23 min read


Satellites: Types, Functionality & Their Role in Modern Technology
Satellites play a vital role in communication, navigation, weather forecasting, and space research. Learn about their types, functions etc.
Kalyan Bhattacharjee
Mar 244 min read


Telecommunication | Connecting the World in the Digital Age
Explore how telecommunication shapes our digital world, connecting people and businesses through cutting-edge technology and innovation.
Kalyan Bhattacharjee
Mar 102 min read


Network Security Monitoring | Key Factors to Consider
Ensure robust cybersecurity with effective Network Security Monitoring. Learn key factors to detect threats, and prevent breaches.
Kalyan Bhattacharjee
Jan 83 min read


Network Security Key | What It Is and Why It Matters
Your network security key is the password that protects your Wi-Fi network. Learn what it is, why it matters, and how to find it easily!
Kalyan Bhattacharjee
Aug 26, 20244 min read


What is a Subnet Mask? The Key to Efficient Networking
A subnet mask is a crucial component in IP networking that helps divide large networks into smaller, more manageable sub-networks or subnets. It works by identifying which portion of an IP address refers to the network and which part refers to the host. By using subnet masks, organizations can improve network performance, enhance security, and efficiently allocate IP addresses.
Kalyan Bhattacharjee
Aug 22, 20245 min read


Hybrid Topology | Network Solution for Modern Businesses
Hybrid topology blends star, bus & ring networks—offering flexibility, scalability & reliability for modern business needs.
Kalyan Bhattacharjee
Apr 7, 20243 min read


DHCP vs Static IP | Choosing the Right Network Configuration
When setting up a network, choosing between DHCP and Static IP addresses can significantly impact performance, security, and management. DHCP offers dynamic, automatic IP assignment—ideal for convenience and scalability—while Static IP provides consistent addressing, often preferred for servers and critical devices. In this blog, we break down the differences, pros, and cons of each configuration to help you make the right choice for your network.
Kalyan Bhattacharjee
Apr 1, 20243 min read


Network Security - A Deep Dive into Firewall Authentication
Firewall Authentication Safeguard Your Data | The Importance of Firewall Authentication Introduction In terms of cybersecurity ,...
Kalyan Bhattacharjee
Mar 22, 20243 min read


DHCP Lookup Failed: Understanding the Issue and Solutions
Facing a "DHCP Lookup Failed" error? Learn what it means, why it happens, and how to fix it for a seamless internet connection!
Kalyan Bhattacharjee
Mar 20, 20243 min read


Windows Internet Issues & How to Fix Them: Internet Troubleshooting
Struggling with internet issues on your Windows PC? From sudden disconnections to slow speeds, these problems can be frustrating. In this blog, we uncover the most common causes of Windows internet issues and provide step-by-step troubleshooting tips to help you restore a stable and fast connection in no time.
Kalyan Bhattacharjee
Feb 3, 20243 min read


Fiber Optic Cables: Connecting the World at Light Speed
Fiber optic cables have revolutionized global communication by transmitting data at the speed of light. Using high-purity glass cores and advanced light modulation techniques, these cables offer ultra-fast, high-capacity connections over vast distances with minimal signal loss. In this blog, we explore how fiber optics work, the differences between single-mode and multi-mode cables, and why they’re the backbone of modern internet infrastructure.
Kalyan Bhattacharjee
Aug 19, 20234 min read


Bluetooth Pairing: Connecting the World Wirelessly
Bluetooth pairing has revolutionized the way our devices communicate, enabling seamless wireless connections across smartphones, laptops, audio systems, and more. In this blog, we explore how Bluetooth technology evolved, how the pairing process works, and why it's become the backbone of modern wireless convenience.
Kalyan Bhattacharjee
Aug 13, 20234 min read


Understanding NAT | The Key to Efficient Network Management
Network Address Translation Optimizing Connectivity: NAT and Effective Network Management Introduction In the vast landscape of computer...
Kalyan Bhattacharjee
Jun 23, 20233 min read


DHCP Server | Simplifying Network Management
A DHCP (Dynamic Host Configuration Protocol) server is a vital component in modern networking, designed to automatically assign IP addresses and network configurations to devices on a network. This simplifies network management, reduces manual errors, and ensures seamless connectivity. In this blog, we explore how DHCP works, why it’s essential, and how it streamlines both small-scale and enterprise-level network setups.
Kalyan Bhattacharjee
Jun 11, 20233 min read


Differences Between WPA and WPA2 for Enhanced Wireless Security
WPA and WPA2 are wireless security protocols designed to protect your Wi-Fi network—but they’re not the same. This blog breaks down the key differences in encryption, performance, and overall security to help you understand which one keeps your connection safer in today’s digital landscape.
Kalyan Bhattacharjee
Jun 5, 20234 min read

CONTACT
Thanks for your interest in Fintech Shield. For more information, feel free to get in touch and we'll get back to you soon!​
bottom of page