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

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.
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.
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.
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.
Scroll Case Study
Read the full Scroll case study.
Hugging Face Case Study
Read the full Hugging Face case study.
Turnkey Case Study
Read the full Turnkey case study.
Monopoly GO Case Study
Read the full Monopoly GO case study.
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