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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

CoWitness improves web application testing by capturing complete DNS and HTTP responses, revealing false positives and hidden vulnerabilities, and helping…

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Events Orlando, FL | October 12 2026

InfoSec World 2026

TrustedSec is proud to sponsor and have a booth at this year's InfoSec World!

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Events Deadwood, SD | October 07 2026

Wild West Hackin' Fest 2026

TrustedSec is proud to sponsor and have a booth at this year's Wild West Hackin' Fest!

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Events Grand Rapids, MI | September 24 2026

GrrCON 2026

TrustedSec is proud to sponsor and have a booth at this year's GrrCON!

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Training Resources August 01 2026

Black Hat USA Training - Supply-Chain to Runtime: Attacking & Defending the Modern DevOps Stack

During our Black Hat training, go beyond network pentesting fundamentals and gain the attacker and defender perspective needed to conduct modern,…

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Events Pittsburgh, PA | July 10 2026

BSidesPGH 2026

TrustedSec is proud to sponsor and have a booth at this year's BSides Pittsburgh!

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Events TrustedSec HQ | June 30 2026

ISC2 Cleveland Chapter Member Meeting - June 2026

ISC2 Cleveland Chapter June 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 Las Vegas, NV | June 24 2026

NCIGF IT Summit 2026

TrustedSec is proud to sponsor and have a booth at the 2026 NCIGF IT Summit in Las Vegas!

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Events Denver, CO | June 23 2026

RMISC 2026

TrustedSec is proud to sponsor and have a booth at the 20th Anniversary of RMISC!

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