SBOM OBSERVATORY SCANNING SUPPLY CHAIN…

sbom.wiki

A living encyclopedia of software supply chain transparency

sha256: e3b0c44298fc1c149afbf4c8996fb924
01

What Is an SBOM?

A Software Bill of Materials is a formal, machine-readable inventory of all components, libraries, and dependencies that make up a piece of software. Think of it as a nutritional label for code — revealing every ingredient in the recipe.

FORMAT: SPDX / CycloneDX
02

Why Transparency Matters

Modern software is assembled from hundreds of open-source packages. A single vulnerable dependency — buried six levels deep — can compromise entire systems. SBOMs illuminate these hidden relationships, transforming opaque binaries into auditable architectures.

CVE-2024-3094 CRITICAL CVE-2023-44487 HIGH CVE-2021-44228 CRITICAL
03

The Dependency Tree

app@2.1.0
crypto@4.0.1
buffer@6.0.3
stream@3.3.0
http@1.2.0
url@0.11.3
utils@3.5.1
04

Standards & Formats

SPDX

Linux Foundation standard. ISO/IEC 5962:2021. Focus on licensing and compliance metadata.

CycloneDX

OWASP standard. Lightweight, security-focused. Native support for VEX and vulnerability data.

SWID

ISO/IEC 19770-2. Tag-based identification for installed software inventory management.

05

The Regulatory Landscape

Executive Order 14028 (2021) mandated SBOMs for software sold to the U.S. federal government. The EU Cyber Resilience Act extends similar requirements across the European market. Compliance is no longer optional — it's the cost of doing business.

2021 EO 14028 — U.S. SBOM mandate
2023 EU CRA proposed
2025 NTIA minimum elements finalized
06

Generation & Tooling

terminal
$ syft packages alpine:latest -o spdx-json
 ✔ Parsed image
 ✔ Cataloged packages      [42 packages]
 ✔ Encoded SBOM            spdx-json

$ grype sbom:./alpine.spdx.json
 ✔ Vulnerability DB loaded
 ✔ Scanned 42 packages
 ⚠ Found 3 vulnerabilities
07

The Living Graph

SBOMs aren't static documents — they're snapshots of an ever-shifting dependency graph. Every npm install, every pip upgrade, every cargo update reshapes the topology. Continuous SBOM generation ensures your transparency window never goes dark.

08

Begin Your Inventory

Every transparent supply chain starts with a single scan. Generate your first SBOM today. Know what's inside your software. Make the opaque, transparent.

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Attestation: supply chain verified ✓