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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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News December 12 2025

Security Advisory: React2Shell (CVE-2025-55182) - Critical RCE Vulnerability

A critical vulnerability affecting React Server Components (RSC) is being actively exploited. Here's what to look for and what to do next.

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Blog December 09 2025

Holy Shuck! Weaponizing NTLM Hashes as a Wordlist

Password reuse is common in Active Directory (AD). From an attacker’s perspective, it is a reliable path to lateral movement or privilege escalation. Most IT…

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Podcasts December 05 2025

Security Noise - Hacker Family Feud

Our security experts compete to see which team can guess the most popular answers to cybersecurity industry questions on this episode of the TrustedSec…

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Events December 04 2025

Research on Windows Accessibility: Narrator.exe

Join us for our next Discord Livestream "Research on Windows Accessibility: Narrator.exe" on December 4 at 11:00AM ET! During this exclusive session, Principal…

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Blog December 04 2025

What is a TrustedSec Program Maturity Assessment (PMA)?

The TrustedSec PMA is a tactical approach to evaluating the components, efficiency, and overall maturity of an organization’s Information Security…

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Webinars December 03 2025

NIST CSF 2.0 - From Compliance to Confidence

During our next webinar, our experts will cover the latest evolution of the National Institute of Standards and Technology Cybersecurity Framework (NIST CSF),…

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