---
title: "Riya J (@rj42coder) | Hashnode"
description: "RJ42Coder. Read the latest articles by Riya J on Hashnode."
url: "https://hashnode.com/@rj42coder"
---

@rj42coder

# Riya J

@rj42coder · Joined December 2025

RJ42Coder

### [The Network That Knows When to Think: Adaptive AI for Real-Time Networks Making Them Faster, Smarter and Secure](https://rjam.hashnode.dev/the-network-that-knows-when-to-think-adaptive-ai-for-real-time-networks-making-them-faster-smarter-and-secure?utm_source=hashnode&utm_medium=feed)

Adaptive AI Under Real-Time Network Constraints Introduction: These days, modern network infrastructures handle thousands of flows every second. This includes routine DNS lookups and web browsing, as

8 min read · [rjam.hashnode.dev](https://rjam.hashnode.dev/the-network-that-knows-when-to-think-adaptive-ai-for-real-time-networks-making-them-faster-smarter-and-secure?utm_source=hashnode&utm_medium=feed)

[Oct 14](https://hashnode.com/posts/the-network-that-knows-when-to-think-adaptive-ai-for-real-time-networks-making-them-faster-smarter-and-secure/6acf21a0e7b203d801c5cd59)

### [The Doppelgänger Defense: Exploring how deceptive digital twins can mislead attackers and protect critical infrastructure.](https://rjam.hashnode.dev/the-doppelg-nger-defense-exploring-how-deceptive-digital-twins-can-mislead-attackers-and-protect-critical-infrastructure?utm_source=hashnode&utm_medium=feed)

Introduction The reason I am writing this blog on this topic is because, as a Computer Science student, I am thrilled to explore the world of Cybersecurity, think from the perspective of the attacker

7 min read · [rjam.hashnode.dev](https://rjam.hashnode.dev/the-doppelg-nger-defense-exploring-how-deceptive-digital-twins-can-mislead-attackers-and-protect-critical-infrastructure?utm_source=hashnode&utm_medium=feed)

[Aug 17](https://hashnode.com/posts/the-doppelg-nger-defense-exploring-how-deceptive-digital-twins-can-mislead-attackers-and-protect-critical-infrastructure/6a830d8e0b089e1408c64169)

### [Refresh and Access Token](https://rjam.hashnode.dev/refresh-and-access-token?utm_source=hashnode&utm_medium=feed)

Introduction Authentications are important in modern web applications. It helps keep users logged in securely, so they don’t have to re-enter their credentials whenever they use it. Here’s where tokens play their role. Understanding Tokens A token is...

4 min read · [rjam.hashnode.dev](https://rjam.hashnode.dev/refresh-and-access-token?utm_source=hashnode&utm_medium=feed)

[Dec 18, 2025](https://hashnode.com/posts/refresh-and-access-token/6944495eb51df8e09be7cf3a)