Start Here

Hi, I'm Ishan

Welcome to my online home. I write about my epiphanies, insights, and lessons learned on Information Security, Peak Performance, and Biohacking.

I've spent more than 12 years of my life in all the domains of Information Security in various depths.

What started as a quest to survive a high school computer programming project turned into a full-time curiosity and a life-long passion.

If you're here reading this, then something in your life; maybe your curiosity to learn, or maybe we just met or are about to meet.

Whatever your situation is, I hope you find something valuable here.

What if consciousness is already expressing itself through us?
Expressing your ideas through writing is a very powerful concept. It coerces you to think effectively, research comprehensively and weave together a message that you would like to convey. As I was pondering what I’d like to write today. I was suddenly reminded about Srinivasa Ramanujan, a renowned…
Complete Guide to conducting Data Protection Impact Assessment (DPIA)
Table of Contents * Introduction * What is Data Privacy Impact Assessment (DPIA)? * Why do we need to carry out DPIA? * What is the Purpose of DPIA? * What is PIA? * What’s the difference between PIA and DPIA? * When should DPIA be done? * What other benefits are there of carrying out DPIA?
How do you convince the engineering team to fix security issues?
One of my friends asked me this question last week. I thought of sharing it here for anyone else who may have the same question. There are two aspects to this: technical, and the other is the people/cultural aspect. They are a development team; it’s their job, and


I publish the following 3 newsletters; feel free to subscribe to whichever intrigues you the most.

  1. Brain on Security is a weekly newsletter aiming to focus my attention and energy on one specific information & cyber security topic.
  2. Collective Wisdom is a monthly newsletter; where I collect/distill the best books I read into simple summaries for myself and others.
  3. I occasionally publish Ishan's Brainwork which includes thoughts I had while watching, listening to, and reading, ideas I've had, and hobbies I'm pursuing other than work. I try to collect, summarise, polish and share my thoughts.

Reach out

Finally, thank you for visiting.

I'm happy to share all of this with you, and I hope this creation inspires you to collect and organize your ideas, thoughts, epiphanies, and learnings in a similar way to give back to the community.

Please contact me on Twitter or directly via email to start a conversation.

Amor Fati,

You've successfully subscribed to Ishan Girdhar
Great! Next, complete checkout to get full access to all premium content.
Error! Could not sign up. invalid link.
Welcome back! You've successfully signed in.
Error! Could not sign in. Please try again.
Success! Your account is fully activated, you now have access to all content.
Error! Stripe checkout failed.
Success! Your billing info is updated.
Error! Billing info update failed.