A cybersecurity boutique agency delivering market leading service

Protocol4 is a cutting-edge cybersecurity firm at the forefront of safeguarding digital landscapes through expert penetration testing services. Founded on the principles of innovation and resilience, Protocol4 leverages advanced methodologies to identify vulnerabilities and help guide remediation strategies within organizations' digital infrastructures. With a team of skilled ethical hackers and security professionals, Protocol4 goes beyond conventional security measures, meticulously probing networks, applications, and systems to uncover potential weaknesses before malicious actors can exploit them. Protocol4 takes pride in delivering comprehensive and tailored solutions, offering clients actionable insights and robust recommendations to enhance their cybersecurity posture. As a beacon of trust in the ever-evolving digital realm, we are committed to empowering businesses with the knowledge and tools needed to stay one step ahead in the constant battle against cyber threats.

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Who we are

About Us

We assess web applications and networks for security vulnerabilities.

We pride ourselves on being a premier penetration testing company dedicated to fortifying your digital defenses. With a team of highly skilled ethical hackers, we delve deep into the intricacies of your systems, identifying vulnerabilities before malicious actors can exploit them.


Meet Christian Tennant

Christian is a seasoned cyber security professional who has worked with the United States Department of Homeland Security along with a myriad of other government municipalities and fortune 500 companies. He brings over 10 years of General IT and Cybersecurity Expertise.

Christian Tennant

Ethical Hacker