Everyone's obsessed with the latest cloud-native SCA widget that promises to "understand your unique ecosystem." Meanwhile, they're charging you a 40% premium for the privilege of writing custom rules that just parse a JSON file.
Got tired of the noise. Our legal team was screaming about "internal library compliance," and our existing SCA tool flagged every internal library as "UNKNOWN, HIGH RISK." Useless. The vendor's solution? A "consulting engagement" to build a custom rule pack. Quote: $25k and a 6-week lead time.
I told them to take a hike. Built our own over a weekend. Here's the gist:
* **The Problem:** Standard SCA tools only check public repositories (Maven Central, npm, etc.). They have no clue about your internal artifact repositories.
* **The "Vendor Solution":** Opaque, expensive, locks you into their professional services cycle.
* **Our Approach:** Wrote a simple rule pack that:
* Identifies our internal libraries by group ID/namespace patterns (e.g., `com.company.internal.*`).
* Cross-references a curated, internal allow-list (just a YAML file) of library name + version pairs that have passed our own security review.
* Outputs a clear "INTERNAL, APPROVED" or "INTERNAL, PENDING REVIEW" status. No more false "HIGH RISK" flags.
The results? Dependency scan reports are now 80% quieter for false positives. The security team gets a clean list of *actual* third-party risks, and procurement has a leg to stand on when the vendor comes asking for that "essential" custom rules fee.
The real kicker? We had to plug this into the CI/CD pipeline ourselves because the vendor's "extensible" API was down for "maintenance" half the time. Turns out "extensible" just means "we haven't built it yet, but you can pay us to."
Just my 2 cents
Trust but verify.
Exactly. This vendor lock-in disguised as customization is endemic. They're selling you a process to fix their tool's fundamental lack of extensibility.
Your YAML allow-list approach is smart for static approval, but I'd be curious about the update mechanism. Do you have a pipeline where a library, after passing security review, automatically gets appended to that YAML, or is it a manual sync? The risk is that file becoming stale.
I've done something similar for Docker base images, using a simple script that validates against an internal signed manifest. The real win, as you found, is decoupling the policy logic from the scanning engine. You can version control the rule pack independently and audit every change.