rakeshkulkarni.com /notes

Notes

Short essays on products, cybersecurity, and trust - mostly about securing machines that are starting to act on their own.

0x04 · September 2026

I built a fingerprinting page that refuses to fingerprint you

Every "am I unique" demo proves the point by keeping your data. I wanted one that shows you the portrait, then proves it kept nothing - including the part where I nearly cheated.

0x03 · September 2026

Who did that? Attribution when software acts on its own

For fifty years security assumed a human behind every action. Autonomous agents break that assumption - and most of our controls quietly depend on it.

0x02 · August 2026

The compliance score and the breach live in different places

A clean scorecard measures the parts. Attacks happen in the fabric between them - the part no rubric has a row for.

0x01 · July 2026

What an MCP gateway actually protects against

The threat isn't the model. It's the tools, the credentials, and the fact that nobody can say afterward who did what.

0x00 · June 2026

The day you were born is still traveling

The light that left Earth on your birthday has never stopped. A short note on Born Among Stars, and on building a toy that keeps a secret.

Earlier writing lives on Medium.