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Nandan Kumar

Nandan Kumar

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Nandan Kumar | Techie who "hacked" an Airline to retrieve his luggage | Software Engineer | Public Speaker | Cyber Security Enthusiast | Photographer

ChatGPT: What, How, and Why's ..!!

Jan 11, 20233 min read 246 views

P.S. : This blog was written using chatGPT, With some human intervention 😜 · What is chatGPT? ChatGPT is a chatbot that uses the power of natural...

ChatGPT: What, How, and Why's ..!!

System Design: Caching, Content Delivery Networks (CDN) & Proxies.

Jan 6, 202312 min read 511 views

Hey there, It's been a busy past month with festivals and getting my new home ready. Hence the delay. Welcome back to the third part of the system...

System Design: Caching, Content Delivery Networks (CDN) & Proxies.

System Design: Domain Name System (DNS), Load Balancing & Clustering.

Oct 12, 202216 min read 2.0K views

Domain Name System (DNS) In the last blog post, we learned about IP addresses that enable one machine to connect with another machine. The problem...

System Design: Domain Name System (DNS), Load Balancing & Clustering.

What is System Design? Types of IP Addresses, OSI models, and TCP/UDP Protocols.

Sep 27, 20229 min read 326 views

The topic of system design has intrigued me over the last couple of months, So I finally started learning basics of system design by reading through a...

What is System Design? Types of IP Addresses, OSI models, and TCP/UDP Protocols.

5 Chrome/Edge extensions every Developer should have..!!

Sep 13, 20224 min read 383 views

Did you know the new Microsoft edge is based on chromium and it supports all of the chrome extensions as well as all the legacy edge...

5 Chrome/Edge extensions every Developer should have..!!

How I "Hacked" an Airline Website to get back my luggage: A first-person insight to the story.

Aug 22, 20226 min read 1.3K views

My story of going from a frontend developer to a "Hacker" · Around 3 months back, I tweeted a thread to a famous airline in India, pointing out some...

How I "Hacked" an Airline Website to get back my luggage: A first-person insight to the story.