Security Testing and Talent for Organizations That Can't Afford to Get It Wrong
Trusted by Fortune 500 organizations for over 15 years. Clients who find us tend to stay.
Three ways we protect your organization
Whether you need to find vulnerabilities before attackers do, secure your applications, or staff your security team fast, we've done it for organizations like yours for over 15 years.
Know exactly where attackers would get in, before they do
Our pen test findings are actionable, prioritized, and written for your leadership team, not just your technical staff.
See what we test →Your application is your biggest attack surface. We prove it.
From mobile to web to cloud-hosted apps, we find what automated scanners miss.
Learn about Caliber DAST →Senior security talent, on your timeline, without the hiring risk
When you need experienced security professionals fast, we place vetted experts who hit the ground running.
Explore staff augmentation →Not sure which service fits your situation? Schedule a 30-minute conversation and we'll tell you exactly what you need. Schedule now →
Continuous visibility into your external attack surface
TrustPlus is Caliber's fully managed vulnerability management platform. Real-time scanning, instant alerts on exploitable vulnerabilities, and a dashboard your team can actually use, without adding operational burden.
Learn about TrustPlus →
"Caliber found 14 critical vulnerabilities our previous vendor missed. Their report went straight to our developers for remediation."
Director of Product Security, Fortune 500 eCommerce Organization
Client identity protected. Outcome verified.
Partner With Caliber
If you work with organizations that need security testing or talent, our Channel Partner Program is built for you. Revenue share, dedicated support, and a 15-year track record to put behind your clients.
TrustPlus, our fully managed vulnerability management platform, gives partners real-time visibility into every client's security posture, with over 50% margins and zero operational burden on your team.
Real people. Real accountability.
You'll know who is doing your work, and how to reach them.
Tab Pierce
Founder, President, Chief Revenue Officer
Tab founded Caliber Security Partners in 2010 on a straightforward belief: security work should be done with the same rigor you would demand if it were your own systems at risk. With 28 years in the security industry, spanning practitioner, leadership, and advisory roles, he brings a depth of market perspective and client relationships that most firms cannot replicate. Tab focuses on strategic partnerships, business development, and the client relationships that have built Caliber's 15-year track record. He is also the author of Outlast Everything, a framework for building businesses and careers that endure.
Catherine Pierce
Chief Executive Officer
Catherine leads Caliber Security Partners as CEO, overseeing operations, financial performance, and the firm's growth strategy. With over 15 years building Caliber from the inside, she brings the operational depth and financial stewardship that enterprise clients depend on. Catherine is currently leading Caliber's Woman Owned Business Enterprise certification, expanding the firm's eligibility for government and institutional contracts that require verified women-owned business status. She ensures that every client engagement is backed by the infrastructure, accountability, and follow-through that a 15-year firm should deliver.
Collin Willis
Director of Technical Security Services
Collin leads Caliber's technical delivery, overseeing penetration testing, application security, DAST, TrustPlus, and every technical work product that leaves the firm. He sets the standard for how engagements are scoped, executed, and reported, ensuring that findings are not just accurate but actionable for both technical teams and executive leadership. With hands-on experience across a wide range of client environments, Collin brings the kind of technical authority that gives clients confidence before the engagement begins and results they can act on when it ends.
When your board asks about security posture, you need answers, not a report.
Let's talk about what Caliber can do for your organization.