chore(sprints): archive 20260226 advisories and expand deterministic tests

docs-archived/product/advisories/20260224 - Turning defensibility into measurable business moats.md

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+Here’s a practical playbook to turn “technical defensibility” into measurable revenue—explained plainly and mapped to motions you can ship.
+
+---
+
+# 6 motions that convert security rigor into ARR
+
+1. **Provenance ledger + signed decisions (audits that sell themselves)**
+
+* What it is: Canonicalize every decision artifact (use RFC 8785 JCS for stable JSON), then wrap scores/findings with DSSE signatures.
+* Why it sells: Auditors/SOCs can verify evidence cryptographically; buyers feel safe to expand seats.
+* Ship it:
+
+  * “Decision Service” emits `decision.json` (JCS) + `.sig` (DSSE).
+  * Append immutable receipts to a lightweight ledger (SQLite/WAL → Postgres later).
+  * UI: “Verify” button shows green check = signature + chain proof.
+* KPI: Audit pass rate, time‑to‑evidence, expansion revenue tied to compliance milestones.
+
+2. **Exploitability modeling → micro‑witnesses → prioritized fixes**
+
+* What it is: Map findings to ATT&CK + attack‑graph paths; emit tiny, human‑readable “micro‑witnesses” that prove a path exists.
+* Why it sells: Security teams buy prioritization, not lists.
+* Ship it:
+
+  * For each vuln, store `(entrypoint → privilege) path` + 1‑page witness.
+  * Rank by “exploit path length × blast radius.”
+* KPI: Mean‑time‑to‑remediation (MTTR) for top‑10 risks; % fixes driven by witnesses.
+
+3. **Call‑stack provenance with eBPF (runtime truth, not guesses)**
+
+* What it is: Trace kernel/user call stacks to bind events to exact symbols/builds.
+* Why it sells: Runtime proof quiets false positives and justifies higher pricing.
+* Ship it:
+
+  * Sidecar eBPF agent captures `(symbol, hash, pid, cgroup)` and signs a short evidence blob.
+  * Link to SBOM entries + commit SHA.
+* KPI: FP reduction, accepted fixes per sprint, “blocker to deploy” avoided.
+
+4. **Binary‑ecosystem function‑matching index (network effects)**
+
+* What it is: A shared index of function hashes ↔ symbols across builds/vendors.
+* Why it sells: Each new customer improves coverage for all—compelling moat.
+* Ship it:
+
+  * Normalize to normalized‑CFG hash; store `(fn_hash → {package, version, symbol})`.
+  * Offer opt‑in “anonymized contribution” for discounts.
+* KPI: Function coverage %, match‑time latency, upsell to “priority index” tier.
+
+5. **Continuous delta detection (semantic binary diffs + CI hooks)**
+
+* What it is: Detect *meaningful* code path changes and patch deltas on every commit/tag.
+* Why it sells: Teams pay for “don’t let regressions ship” alerts with SLAs.
+* Ship it:
+
+  * Git/CI hook produces semantic diff → emits DSSE‑signed “delta receipt.”
+  * Alerting: “Critical path changed without test coverage.”
+* KPI: Caught‑before‑prod incidents, SLA credits avoided, alert precision.
+
+6. **Developer UX hooks: PR/IDE micro‑witnesses + one‑click replay**
+
+* What it is: Put proof *inside* the PR/IDE (witness snippet + “replay locally” button).
+* Why it sells: Habit loops → daily active users → land‑and‑expand.
+* Ship it:
+
+  * GitHub/GitLab check with inline witness; CLI `stella replay <witness>` spins a container and reproduces the issue.
+* KPI: DAU/WAU for extensions, replay runs per PR, conversion from pilot → paid.
+
+---
+
+# How to package this commercially
+
+* **Tiers that map to risk**
+
+  * Core: Signed decisions + deltas.
+  * Pro: Exploitability + eBPF provenance.
+  * Enterprise: Ecosystem index + auditor dashboards + SLA alerts.
+* **Sales motions**
+
+  * Compliance-led: “Cryptographically verifiable audits in <2 weeks.”
+  * Ops-led: “Cut MTTR 40% with micro‑witnesses and one‑click replay.”
+  * Platform-led: “Join the function index—better matches day one.”
+
+---
+
+# Minimal architecture to start
+
+* Evidence types: `decision.jcs`, `witness.md`, `delta.yaml`, all DSSE‑signed.
+* Ledger: append-only table with `(artifact_digest, signer, scope, created_at)`.
+* Verifier CLI: `stella verify <artifact>` → prints trust chain + result.
+* UI: Evidence Locker with filters (service, build, control) + “Export for audit”.
+
+---
+
+# Fast 30‑day plan
+
+* Week 1: JCS canonicalization + DSSE for two artifacts (decisions, deltas).
+* Week 2: Micro‑witness format + PR checks + basic verifier CLI.
+* Week 3: ATT&CK mapping + simple attack‑graph scoring.
+* Week 4: eBPF pilot in staging + Evidence Locker v1 + 3 SLAs + pricing page copy.
+
+If you want, I can draft the DSSE/JCS spec snippets, the witness schema, a sample PR check, and the KPI dashboard widgets next.