Skip to Main Content
All Trimarc services are now delivered through TrustedSec! Learn more

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…

Read about this article
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…

Read about this article
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.

Read about this article
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…

Read about this article
Webinars April 15 2026

You Had Us at the First Alert: A Guide to Finding Frequently Missed Detections

Join us for this webinar to get a clearer picture of where your detection coverage has blind spots and a practical roadmap for closing them before a real…

Read about this article
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…

Read about this article
Blog March 26 2026

Policy as Code: Stop Writing Policies and Start Compiling Them

The Problem Nobody Wants to Talk AboutLet me paint a picture most security leaders will recognize.You have 30+ policies living as Word documents on SharePoint.…

Read about this article
Blog March 24 2026

Building a Detection Foundation: Part 4 - Sysmon

Filling the Gaps Native Logging Can'tAt this point in our series, we have Windows Security events capturing logon sessions and process creation, and…

Read about this article
Podcasts March 24 2026

Security Noise - AI is Exploring The Deep Blue CVEs

On this episode of Security Noise, we explore the cutting-edge use of AI in vulnerability research, exploit development, and cybersecurity defense with guests…

Read about this article
News March 20 2026

ABC7 Chicago - March Madness betting, ticket scams targeting college basketball tournament fans

March Madness is in full swing and so are the scams, the latest being fake tickets sales and "bogus" bracket challenges. Advisory Solutions Director Alex…

Read about this article

Empower your business through better security design.

Talk directly with our experienced advisory consultants to learn how we can help.