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Joe Sullivan

Senior Security Consultant

EXPERIENCE
Joe has over 20 years of experience in Information Security. He has worked in Incident Response, forensics, penetration testing, and security leadership as a CISO for a financial institution.

EDUCATION & CERTIFICATIONS

  • GIAC Penetration Tester (GPEN)
  • GIAC Strategic Planning, Policy, and Leadership (GSTRT)
  • GIAC Certified Forensic Examiner (GCFE)
  • GIAC Certified Incident Handler (GCIH)
  • GIAC Security Leadership (GSLC)
  • GIAC Cloud Penetration Tester (GCPN)
  • GIAC Public Cloud Security (GPCS)
  • GIAC Certified Web Application Penetration Tester (GWAPT)
  • Certified Information Systems Security Professional (CISSP)
  • CNSSI 4012 Senior Systems Manager
  • CNSSI 4013 System Administrator in Information Systems Security
  • CNSSI 4014 Information Systems Security Officer
  • NSTISSI 4011 Information Systems Security Professional
  • NSTISSI 4015 Systems Certifier

PROFESSIONAL AFFILIATIONS

  • GIAC Advisory Board, ISC2 

Joe also teaches leadership courses for the SANS Institute.

INDUSTRY CONTRIBUTIONS
Joe has presented at security conferences including Check Point CPX, Information Warfare Summit, and BSides.

PASSION FOR SECURITY
Joe’s passion for security started in Incident Response and forensics in the late ‘90s. Since then, he has developed a passion for offensive security, security leadership, and teaching others.

Featured Blogs And Resources

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

Blog September 21 2023

Basic Authentication Versus CSRF

I was recently involved in an engagement where access was controlled by Basic Authentication. One (1) of the findings I discovered was a Cross-Site Request…

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Blog June 27 2023

Introducing CoWitness: Enhancing Web Application Testing With External Service Interaction

As a web application tester, I encounter a recurring challenge in my work: receiving incomplete responses from Burp Collaborator during DNS and HTTP response…

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Webinars December 18 2024

The Lost Underground

Join TrustedSec Principal Security Consultant Mike Felch for an eye-opening journey into the lost underground, where ingenuity, disobedience, and complexity…

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News December 10 2024

TrustedSec Tech Brief - December 2024 Year-End Top 3 Roundup

We are rounding up our top Tech Brief stories of 2024! Director of Security Intelligence Carlos Perez goes over what we have seen the most of this year and his…

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Podcasts December 06 2024

Security Noise - Episode 7.7

Amazing Stories in InfoSec

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Blog December 05 2024

On-Demand BOF

From the team that brought you COFF Loader, CS-Situational-Awareness-BOF, CS-Remote-OPs-BOF, and numerous blogs on BOFs, we are excited to release our first…

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Webinars December 04 2024

BEC Basics: Your First Step to Thwarting Email Scams

Join Senior Security Consultant Steven Erwin and Security Consultant Caroline Fenstermacher as they cover the basics of BEC analysis, providing participants…

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Blog December 03 2024

Discovering a Deserialization Vulnerability in LINQPad

Like most red teamers, I spend quite a lot of time looking for novel vulnerabilities that could be used for initial access or lateral movement. Recently, my…

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Blog November 21 2024

A 5-Minute Guide to HTTP Response Codes

If you've done any network scanning or application testing, you've run into your fair share of HTTP response codes. If not, these codes will show up in most…

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Events TrustedSec HQ | November 20 2024

WiCyS Ransomware Panel & Networking Event

Join us for an insightful discussion with the Women in Cyber Security (WiCyS) Northeast Ohio Affiliate members!

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