Prashanth Sivarajan
Thoughts on AppSec, AI security, and building & breaking things that matter (or maybe not)
This is where I write about application security, AI security, and things I build on the side. Posts here are my own thoughts and do not represent my employer or any organization I am associated with.
Series
Hacks of Mr. Robot
Breaking down the hacking scenes from Mr. Robot, episode by episode. What the show got right, what it embellished, and how the real techniques work.
AI Governance & Security
Navigating AI security frameworks, securing LLMs and agentic systems, and building responsible AI programs in the enterprise.
Side Projects
Things I build on the side. No grand ambitions, just things that seemed worth making.
Writing
[Timecapsule] Airport Hacks with Kali NetHunter
A retrospective of my null Bangalore talk from October 2016 — what NetHunter was, what we demoed, and what has changed in the decade since.
I Built a BACnet Chiller Plant Simulator
BACnet runs our buildings and trusts everyone on the network. Testing it needs a plant to talk to, so I built an open-source one.
S01E01 - Framing Colby
Elliot swaps an IP address in a .dat file to frame the CTO of the largest corporation on the planet.
S01E01 - Steganography
Elliot hides stolen data inside audio files on CDs using DeepSound. The CDs look like a music collection. They are not.
S01E01 - Password Cracking
Elliot cracks his therapist Krista's password using personal details scraped from her social media. The tool is fictional. The technique is not.
Hacks of Mr. Robot: Series Introduction
Mr. Robot is the most technically accurate hacking show ever made. This series breaks it down episode by episode.
S01E01 - Tor
Elliot confronts Ron using Tor exit node monitoring. Is his claim that whoever controls the exit nodes controls the traffic actually true?