Ringzer0 - Ringzer0 (Page 3)

Spring 2026 Virtual Training

Fuzzing the Linux Kernel

This training guides security researchers and software engineers through the field of Linux kernel fuzzing. In a series of lectures and practical labs, the training explores using fuzzing for finding kernel memory corruption bugs and analyzing their security impact.

COUNTERMEASURE Spring 2026

Ringzer0 COUNTERMEASURE SPRING//2026

Ringzer0 returns with the best of offence and defense in 2026. World-class trainers, internationally recognized speakers, cutting edge security research, government focus, community. March 22-31, Virtual.

Ringzer0 COUNTERMEASURE FALL//2026

Ringzer0 returns with the best of offence and defense in 2026. World-class trainers, internationally recognized speakers, cutting edge security research, government focus, community.

Ringzer0 COUNTERMEASURE25 Archive

Ringzer0 COUNTERMEASURE25 Archive Ottawa Conference and Event Center, Ottawa 🇨🇦 // November 3-7 COUNTERMEASURE25 Virtual Training Windows Vulnerability Research - A CVE…

COUNTERMEASURE25 Talk

WORKSHOP: Supercharging Ghidra: Build Your Own Private Local LLM RE Stack with GhidraMCP, Ollama, and OpenWebUI // John McIntosh

Learn to build a private, modular RE stack with GhidraMCP, pyghidra-mcp, Ollama & OpenWebUI. This workshop shows how to set up local LLMs, integrate with Ghidra, and customize workflows—enabling offline, privacy-first analysis of malware, firmware & binaries.

COUNTERMEASURE25 Talk

TALK: Dr SharePoint: How I Learned to Stop Worrying and Love the Vuln

On July 19th 2025, Microsoft published two new critical 9.8 CVSS score CVEs covering vulnerabilities in on-prem versions of SharePoint. Follow along as we pull on the thread and unravel a far-ranging campaign including over 40 custom malware samples never before described in public.

COUNTERMEASURE25 Talk

TALK: Buttercup and DARPA's AI Cyber Challenge // Henrik Brodin, Ronald Eytchison

Trail of Bits’ Buttercup won $3M in DARPA’s AI Cyber Challenge, autonomously finding and patching 28 vulnerabilities. We’ll demo its open-source multi-agent system using static analysis and AI fuzzing, and share lessons on scaling AI-driven security.

Advisory Board

Advisory Board // Perri Adams

Former Special Assistant to the Director, DARPA

Advisory Board

Advisory Board // Patrick Smith

Senior VP of Service Delivery, Field Effect

COUNTERMEASURE25 Talk

KEYNOTE // Perri Adams, Former Special Assistant to the Director, DARPA

COUNTERMEASURE25 Talk

TALK: Best of the Worst: Misadventures in Bug Disclosure // Dustin Childs

A behind-the-scenes look at the wild, frustrating, and comical world of bug disclosures. From face-palm moments to vendor mishaps, this talk shares lessons, farces, and advice to improve how bugs are found, reported, and fixed.

COUNTERMEASURE25 Talk

TALK: Behind the Kernel: 0days in Drivers and Windows Signed Exposed // Iván Cabrera, Adrián Díaz

In this talk, we reveal how we discovered over 30 exploitable Microsoft-signed Windows drivers, even on fully patched systems. We detail our reversing method and a flaw in the driver signing process that lets attackers create undetectable, validly signed driver variants.