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Sean Heelan's Blog
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Latest posts
Last updated 3 months ago
On the Coming Industrialisation of Exploit Generation with LLMs
3 months ago
Recently I ran an experiment where I built agents on top of...
How I used o3 to find CVE-2025-37899, a remote zeroday vulnerability in the Linux kernel’s SMB implementation
12 months ago
In this post I’ll show you how I found a zeroday vulnerability...
Finding 10x+ Performance Improvements in C++ with CodeQL – Part 2/2 on Combining Dynamic and Static Analysis for Performance Optimisation
about 3 years ago
In the previous post I advocated for building systems that combine static...
60%+ Performance Improvements with Continuous Profiling and Library Matching – Part 1/2 on Combining Dynamic and Static Analysis for Performance Optimisation
about 3 years ago
This is the first post in a two part series on combining...
Optimising an eBPF Optimiser with Prodfiler (Repost)
about 3 years ago
How do you almost 2x your application’s performance with zero code changes...