Software Assurance

WE DON'T FIX
BUGS.
WE FIX
SOFTWARE.
Our proven techniques are trusted by the world's largest software organizations.

We find the bugs, recommend the foundational fixes, and expose flaws that others miss.

Bring us your application security, blockchain, cryptography, and AI/ML tools. Let us do the rest.

What We Do

You’re shipping software into a world that’s actively trying to break it. The question isn’t whether your code has vulnerabilities. It’s whether you’ve found the ones that matter before someone else does.
We approach every review like a research problem. Our engineers use custom tooling, advanced fuzzing, and deep technical expertise to surface the systemic weaknesses that create risk, not just individual bugs. We look at how your code behaves under pressure, where your assumptions break down, and what an attacker would actually target.
You walk away with more than a findings report. We deliver maturity evaluations, long-term remediation strategies, and automated testing configurations you can plug into your pipeline. Our goal is to leave your team in a stronger position than when we started, with the tools and knowledge to catch the next vulnerability yourselves.

How We Work

You’re not hiring us for a PDF. You’re partnering with engineers who will understand your codebase, find the real risks, and help you fix them.
  1. Phase 01 illustration

    Phase 01

    Technical Onboarding

    We assign engineers based on relevant expertise. Together, we define the scope, clarify your objectives, and collect everything needed: code, credentials, & documentation. Your project owner and technical leads should attend.
  2. Phase 02 illustration

    Phase 02

    Continuous Communication

    Forget the black-box approach. We open a shared Slack channel (or your preferred platform) for real-time Q&A. Weekly syncs keep you informed on findings and progress.
  3. Phase 03 illustration

    Phase 03

    Report & Readout

    We deliver a comprehensive report: what we found, how bad it is, how to exploit it, and what to do next. Then we walk through it together.
  4. Phase 04 illustration

    Phase 04

    Fix Review

    When you’ve addressed our findings, we verify the fixes are effective and haven’t introduced new issues.

    What You Walk Away With

    • Findings with severity/difficulty ratings and exploitation scenarios
    • Codebase maturity evaluation
    • Testing artifacts and tool guidance
    • Long-term recommendations beyond just patching bugs

The Trail of Bits Way...

Key Differentiators

More than a PDF:

our reports are just the start of the work we produce, from Slither to Buttercup, our open source tools are solving difficult security problems across the globe.

Novel research advancing the security field:

Our research teams work on projects with organizations building the future. From DARPA to Meta, we’re the ones trusted to make new tools secure.

Open sourced:

Hit publish, share the tool, show the code. Our expertise isn’t hidden behind a paywall, we want everyone to benefit from secure technology.

Case Studies

see how we can help you

Tell us about your hardest security problems

Contact us to build more secure software.

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Mailing Address

228 Park Ave S #80688

New York, NY 10003

What services are you interested in?