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James Williams

Senior Security Consultant

EXPERIENCE
James started his career as a software developer and worked across a range of different industry sectors before moving into an information security role. He has spent the last 8 years in offensive security, with the latter half of that time spent delivering Red Team engagements.

EDUCATION & CERTIFICATIONS

  • Masters of Science: Computer Systems (Bangor University)
  • Offensive Security Certified Professional (OSCP)
  • Certified Red Team Operator (CRTO)

INDUSTRY CONTRIBUTIONS
James has presented at conferences in the United Kingdom (BSides Manchester and Steelcon) and often publishes research on employer blogs and personal blogs.  

PASSION FOR SECURITY
James has been fascinated by computers since he first broke the family PC and had to learn how to fix it in a hurry. Now, he enjoys finding new and unusual ways to make computers do things that they weren’t meant to do.

Featured Blogs And Resources

Discover the blogs, analysis, webinars, and podcasts by this team member.

Blog June 12 2025

Hunting Deserialization Vulnerabilities With Claude

In this post, we are going to look at how we can find zero-days in .NET assemblies using Model Context Protocol (MCP).SetupBefore we can start vibe hacking, we…

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Blog June 03 2025

Teaching a New Dog Old Tricks - Phishing With MCP

As AI evolves with MCP, can a new “dog” learn old tricks? In this blog, we test Claude AI’s ability to craft phishing pretexts—and just how much effort it…

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Blog October 17 2024

Spec-tac-ula Deserialization: Deploying Specula with .NET

This post explains how.NET deserialization can be used to backdoor a workstation with Specula, making it a valuable resource for Red Team operations.

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Blog December 03 2024

Discovering a Deserialization Vulnerability in LINQPad

Discovering a Deserialization Vulnerability in LINQPad, written by James Williams, reveals a novel deserialization vulnerability in a.NET application with over…

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Events TrustedSec HQ | March 31 2026

ISC2 Cleveland Chapter Member Meeting - March 2026

ISC2 Cleveland Chapter March MeetupCome join us for our meetup! The ISC2 Cleveland Chapter is hosting an exciting in-person event for all cybersecurity…

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Events March 19 2026

Discord Livestream - AMA: Incident Response

Ask us anything about incident response! Join us for an exclusive Discord Livestream with IR Practice Lead Ryan Macfarlane.

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Webinars March 18 2026

Copilot Security: What to Know Before You Go

In this webinar, our experts will walk you through the critical groundwork needed before deploying Microsoft 365 Copilot. Learn how you can best prepare for…

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Webinars March 04 2026

CMMC Challenges and Misunderstandings

During our next webinar, our experts will cover CMMC misunderstandings that are creating the most problems for defense contractors and subcontractors, from CUI…

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Events TrustedSec HQ | February 24 2026

ISC2 Cleveland Chapter Member Meeting - February 2026

ISC2 Cleveland Chapter February MeetupCome join us for our meetup! The ISC2 Cleveland Chapter is hosting an exciting in-person event for all cybersecurity…

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Blog February 24 2026

Building a Detection Foundation: Part 1 - The Single-Source Problem

The Uncomfortable Truth About Your Telemetry Let me start with an observation that might hit close to home. In my years working Incident Response cases and…

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