The Problem
Software supply chain attacks have increased by over 700% since 2019. The average breach costs organizations $4.45 million. In response, the industry has rallied around the Software Bill of Materials (SBOM) as the solution.
But here's the uncomfortable truth: 84% of organizations now use an SBOM, yet supply chain attacks continue to rise.
Why? Because an SBOM answers the wrong question.
The Transparency Gap
An SBOM tells you what is inside your software—the ingredients. But it doesn't tell you anything about the kitchen where it was prepared.
If an attacker compromises your CI/CD runner, they don't need to touch your source code. They can:
- Inject malicious binaries during the build process
- Steal OIDC tokens to escalate privileges
- Modify the final artifact after security scans have passed
Your SBOM will still look perfect. Your vulnerability scanner will show all green. Yet your software is compromised.
The question is not "What dependencies does this software contain?" The question is: "Can I prove that nothing tampered with this software between the developer's commit and its deployment to production?"
A New Approach
At Build Flow Labs, we've developed a framework that extends supply chain governance beyond the SBOM to include the build environment itself.
Our approach is grounded in zero-trust principles from NIST 800-207 and addresses the governance gap that current tooling ignores. We call it the Pipeline Bill of Materials (PBOM)—a cryptographically verifiable record of not just what was built, but how it was built, by whom, and under what security policies.
Combined with our BuildFlow Trust policy enforcement framework, organizations can shift from implicit trust to verified integrity—without sacrificing developer velocity.
The Results
In a 60-day pilot deployment across 30 repositories, our framework revealed that:
- 67% of repositories contained configurations vulnerable to supply chain compromise
- Only 12% of these would trigger traditional compliance alerts
- Organizations achieved 100% coverage on day one with zero developer friction
This represents substantial unquantified business risk that existing tools simply miss.
Learn More
The full technical framework—including the PBOM schema, BuildFlow Trust architecture, and reference implementation—is available to organizations exploring pipeline integrity solutions.
To receive the complete whitepaper and discuss how these principles apply to your environment, contact our advisory team.