---
title: "SBOM (Software Bill of Materials)"
description: "A Software Bill of Materials (SBOM) is a detailed inventory of every software component that comprises an application, including open-source libraries, third-party dependencies, frameworks,…"
canonical_url: "https://cloudsmith.com/resources/glossary/sbom"
last_updated: "2026-09-09T12:10:48Z"
---
# SBOM (Software Bill of Materials)

## What Is an SBOM (Software Bill of Materials)?

A Software Bill of Materials (SBOM) is a detailed inventory of every software component that comprises an application, including open-source libraries, third-party dependencies, frameworks, and their corresponding version numbers. Think of it like a nutrition label for software. Just as a food label lists ingredients so consumers know what they’re eating, an SBOM lists the “ingredients” inside software so organizations know exactly what code they are running.

Modern applications are rarely built from scratch entirely. Instead, developers assemble code from multiple sources, open-source packages, third-party APIs, internal modules, and commercial software. An SBOM provides full visibility into that supply chain. This transparency is essential as software supply chain attacks and zero-day vulnerabilities continue to rise globally.

## Why SBOM (Software Bill of Materials) Matters for Security and Compliance

Security teams rely on SBOMs because you can’t protect what you don’t know exists. When a new vulnerability is discovered, such as Log4Shell, companies with SBOMs can instantly search their inventory to see whether affected components are in use. Without an SBOM, this process can take days or even weeks, leaving systems vulnerable to exposure. SBOMs are also increasingly required by governments, regulators, and enterprise buyers. Organizations use them to assess risk, verify licensing obligations, and demonstrate transparency across their software ecosystem. In highly regulated industries, such as healthcare, finance, and government, SBOM adoption is becoming a best practice.

## How SBOM (Software Bill of Materials) Works in Practice

An SBOM is typically generated automatically during the build process. It lists every included component and stores the data in a structured format such as SPDX or CycloneDX. This makes it easy to integrate SBOMs into DevOps pipelines, vulnerability scanners, and asset management tools.

## A strong SBOM program doesn’t stop at generating the document. Teams also:

- Track changes across releases
- Map vulnerabilities to components
- Monitor license obligations
- Share SBOMs safely with customers or partners

Over time, SBOMs create a historical record of traceability that improves investigation, auditing, and risk assessment.

## Benefits and Challenges of SBOM (Software Bill of Materials)

The benefits include increased visibility, enhanced compliance readiness, faster incident response, and stronger supply chain resilience. However, SBOM adoption can introduce challenges, such as data accuracy, secure sharing, and maintaining version history. The goal is not just to create SBOMs, but to operationalize them as living records.

In short, SBOMs help organizations understand their software DNA, turning hidden dependencies into manageable assets.

## Frequently asked questions

### Does an SBOM prevent cyberattacks?

No, an SBOM improves visibility. It helps teams identify and respond to vulnerabilities faster.

### Who typically uses SBOMs?

Security teams, DevOps engineers, auditors, risk teams, vendors, and customers.

### Are SBOMs only for open-source software?

No, they apply to both open-source and proprietary components.

### Is an SBOM required by law?

In some regions and industries, yes, especially for government-related software.

### How often should an SBOM be updated?

Ideally every release, since dependencies change frequently.