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open-source

Safeguard articles tagged "open-source" — guides, analysis, and best practices for software supply chain and application security.

167 articles

Incident Analysis

XZ Utils Backdoor: Technical Breakdown

The xz-utils backdoor (CVE-2024-3094) nearly compromised SSH on every modern Linux distro. Here is how the implant worked and what it teaches us.

Feb 21, 20266 min read
Supply Chain Security

After XZ Utils: Rethinking Trust in Open Source Software

The XZ Utils backdoor forced the industry to confront uncomfortable questions about maintainer trust, funding, and the structural fragility of critical open source infrastructure.

Feb 20, 20267 min read
Open Source Security

Forking Security: What Happens When Open Source Projects Diverge

When an open source project forks, the security implications cascade through every downstream consumer. Understanding fork dynamics is essential for managing supply chain risk.

Feb 20, 20266 min read
Events

Open Source Security Summit 2026: Key Takeaways

We attended the Open Source Security Summit 2026 and came back with five actionable insights for security teams.

Feb 20, 20266 min read
Supply Chain Security

XZ Utils Backdoor (CVE-2024-3094): The Most Sophisticated Supply Chain Attack Ever Discovered

A multi-year social engineering campaign planted a backdoor in XZ Utils that would have compromised SSH on most Linux distributions. Technical deep dive into what happened.

Feb 20, 20266 min read
Open Source Security

Single-Maintainer Bus Factor Risk in OSS

A single person maintaining critical infrastructure is one medical emergency, burnout, or coercion event away from a supply chain crisis. The bus factor is not a theoretical metric.

Feb 19, 20266 min read
Dev Practices

What Are Dependencies in Software?

A plain-English definition of software dependencies, how direct and transitive dependencies differ, and why most projects ship far more third-party code than code their own team wrote.

Feb 18, 20266 min read
Software Supply Chain Security

Abandoned Package Takeover: When Maintainers Walk Away

Abandoned packages are ticking time bombs in the supply chain. When maintainers disappear, attackers can take over package names and push malicious updates to millions of downstream projects.

Feb 16, 20265 min read
Case Studies

Netflix's Open-Source Security Approach

How Netflix manages security across hundreds of open-source projects and thousands of internal dependencies while maintaining the velocity that streaming demands.

Feb 11, 20267 min read
Software Supply Chain Security

How to Security Audit an Open Source Project Before Adoption

Adopting an open source dependency is a trust decision. This guide provides a structured methodology for evaluating the security posture of open source projects before adding them to your supply chain.

Feb 11, 20266 min read
Containers

OSS Container Security: What Changes With Open-Source Base Images

Open-source base images change your patch cadence, your license exposure, and your provenance story — here's what OSS container security actually adds on top of standard image hardening.

Feb 11, 20265 min read
Open Source Security

Open Source Dependency Health Metrics That Actually Matter

Star counts and download numbers tell you popularity, not health. The metrics that predict dependency risk are harder to measure and more important to track.

Feb 8, 20266 min read

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open-source (Page 10) — Safeguard Blog