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Drew Kirkpatrick

Senior Security Consultant

Experience

Drew has 20 years of experience designing and building complex systems, including application security, network policy management, machine learning, and transit and aerospace systems. These days he works to improve Information Security by applying penetration testing and computer science to assess the security posture of TrustedSec clients. Before joining TrustedSec, he was a Security Researcher at NopSec and Secure Decisions as well as a Senior Computer Scientist for the U.S. Navy.

Education & Certifications

OSCP, GWAPT

M.S. Computer Science – Florida Institute of Technology

M.S. Computer Information Systems – Florida Institute of Technology

B.A. Psychology/Economics – St. Mary’s College of Maryland

Professional Affiliations

OWASP, TOOOL

Industry Contributions

Drew has developed and contributed to several open source projects, including OWASP Attack Surface Detector and various machine learning and penetration testing tool projects.

Passion for Security

Drew’s love for building complex systems led to the discovery that he found tremendous joy in breaking complex systems—in a good way.

Recent Blog Posts

Persistence Through Service Workers—Part 2: C2 Setup and Use

By Drew Kirkpatrick

In Application Security Assessment, Penetration Testing, Red Team Adversarial Attack Simulation, Security Testing & Analysis

In Part 1 of this 2-part blog, we provided an overview of service workers and created an appropriate target application to exploit using Shadow Workers. In this blog post we’ll build our C2 server in Digital Ocean and use Shadow Workers to exploit the target application. It is highly recommended to read Part 1 prior...

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Persistence Through Service Workers—Part 1: Introduction and Target Application Setup

By Drew Kirkpatrick

In Application Security Assessment, Penetration Testing, Red Team Adversarial Attack Simulation, Security Testing & Analysis

During a recent discussion about achieving persistence on a web server, someone suggested that I explore using browser service workers. As I began reading about what service workers do, the possibilities for Red Team applications seemed intriguing. But first, I had to find out…what exactly is a service worker? In their efforts to make web...

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Simple Data Exfiltration Through XSS

By Drew Kirkpatrick

In Application Security Assessment, Penetration Testing, Purple Team Adversarial Detection & Countermeasures, Red Team Adversarial Attack Simulation, Remediation Assistance & Training, Security Testing & Analysis, Social Engineering

During a recent engagement, I found a cross-site scripting (XSS) vulnerability in a legal document management application and created a quick and dirty document exfiltration payload. Unfortunately, this discovery and coding happened on the final day of the engagement (*cough* reporting bonus hacking day), and I didn’t have a chance to actually put the exfiltrated...

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Recent Webinars

Popping Shells Instead of Alert Boxes: Weaponizing XSS for Fun and Profit

This webinar was recorded on Wednesday, December 18, 2019. XSS? What’s the big deal? Cross-Site Scripting (XSS) vulnerabilities are a longstanding issue that allow malicious actors to inject JavaScript into a web application. Penetration testers typically use a simple JavaScript...

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View all webinars from Drew