---
title: "Akshansh Jaiswal (@akshanshjaiswal) | Hashnode"
description: "security is a myth. Read the latest articles by Akshansh Jaiswal on Hashnode."
url: "https://hashnode.com/@akshanshjaiswal"
---

@akshanshjaiswal

# Akshansh Jaiswal

@akshanshjaiswal · Joined July 2025

security is a myth

### [The eMudhra Certificate Incident: Why Eight Weak Keys Became a Big Internet Security Issue](https://blog.akshanshjaiswal.com/the-emudhra-certificate-incident-why-eight-weak-keys-became-a-big-internet-security-issue?utm_source=hashnode&utm_medium=feed)

Eight weak certificate keys, the risk they created, and how browsers responded

13 min read · [blog.akshanshjaiswal.com](https://blog.akshanshjaiswal.com/the-emudhra-certificate-incident-why-eight-weak-keys-became-a-big-internet-security-issue?utm_source=hashnode&utm_medium=feed)

[1](https://hashnode.com/posts/the-emudhra-certificate-incident-why-eight-weak-keys-became-a-big-internet-security-issue/6ad88b1d58423e57de1f79d2) [Oct 21](https://hashnode.com/posts/the-emudhra-certificate-incident-why-eight-weak-keys-became-a-big-internet-security-issue/6ad88b1d58423e57de1f79d2)

### [The UPI Architecture : A Security Look](https://blog.akshanshjaiswal.com/the-upi-architecture-a-security-look?utm_source=hashnode&utm_medium=feed)

Explore the technical workings of India’s UPI system understand data flow, where and how data is stored, and the multi-layered security architecture that pr

17 min read · [blog.akshanshjaiswal.com](https://blog.akshanshjaiswal.com/the-upi-architecture-a-security-look?utm_source=hashnode&utm_medium=feed)

[Jul 22, 2025](https://hashnode.com/posts/the-upi-architecture-a-security-look/687fc30fde2f2886ec91bc5e)