Justin Vaicaro

Principal Incident Response Consultant


Justin has 12 years combined military experience serving in both the Marine Corps and Air Force. He has 20 years of experience within the Information Technology industry, with the last 10+ years solely focused on security engineering. Justin has worked in various industries, including Internet Service Provider, eCommerce, Pharmaceutical, Automotive, and Aviation. He has held various roles throughout his career, but his technical strength is derived from his vast network engineering experience. His security knowledge is diverse, but his current focus is on Security Architecture and Design, Incident Response, Malware Reversing, Threat Hunting, Threat Intelligence, and Security Operations. He also does a significant amount of research around trending offensive techniques, tactics, and procedures in order to strengthen his defensive mindset.

Education & Certifications

BA, Computer Information Systems & Business Administration (Florida Institute of Technology) CISSP (Certified Information System Security Professional) CISM (Certified Information Security Manager) GCFA (GIAC Certified Forensic Analyst) CREA (Certified Reverse Engineering Analyst) OWSP (Offensive Wireless Security Professional)

Professional Affiliations

ISC2 (Orange County, CA Chapter), ISACA (Orange County, CA Chapter), ISSA (Orange County, CA Chapter), LETHAL (Orange County Hacker Meetup Group)

Industry Contributions

Justin has a patent issued for his specialized work around aircraft in-flight-entertainment data security monitoring methodologies and techniques: Methods and Systems for Monitoring Computing Devices on a Vehicle: US Patent No. US9813911B2

Passion for Security

Justin’s passion for security started early in his network engineering career with his exposure to wireless security. His overall passion for security is what consistently pushes him outside of his comfort zone, to keep learning, and to continually work on specializing in new areas within the security industry. Surrounding himself with extremely smart people keeps him grounded and humble. His favorite part about being a security professional is the consistent and constant drive to face new challenges. “The learning stops when the passion fades!”

Recent Blog Posts

Why your threat hunting program building shouldn’t stop once the engagement is over

Let’s see, it looks like your organization just met an annual Threat Hunting assessment compliance requirement or achieved the introductory objective of experiencing a formal Threat Hunting assessment. Well done! Now, what should the organization take into consideration after successfully completing the assessment? Once a third-party Threat Hunting assessment concludes, many organizations may feel overwhelmed...

Companies on High Alert for Unemployment Fraud

Proactive Measures to Thwart Unemployment Fraud In the past few months, the TrustedSec Incident Response team has responded to several incidents of unemployment benefit fraud. Due to the pandemic and nationwide lockdowns, there has been an extremely high volume of unemployment claims submitted across the United States, and with greater instances of fraud making it difficult...

Who Left the Backdoor Open? Using Startupinfo for the Win

In the endless quest to research additional Windows system forensic artifacts to use during an Incident Response investigation, I stumbled across something I thought was cool. This definitely wasn’t a new artifact, it was just a specific native Windows XML file that I wasn’t aware of. I noticed this file was not commonly used from...
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Recent Webinars

Continuous Threat Hunting: A Practical Webinar

This webinar was recorded on August 19, 2020 and was presented with Binary Defense. Threat hunting is a vital but often misunderstood practice for organizations and security teams. In order to be successful, a threat hunting program must be proactive, continually tuned, and...
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Justin Vaicaro

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