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Supply Chain Security, in plain English.

Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.

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Software Supply Chain Security

Why SLSA Level 3 Matters (and Level 4 Usually Doesn't)

SLSA Level 3 gives you verifiable build provenance that satisfies CISA M-22-18 and EO 14028. Level 4 adds hermetic builds most teams will never need.

Apr 5, 20268 min read
Vulnerabilities

XXE Attack Walkthroughs: What a Good Demo Actually Shows

Most XXE video walkthroughs stop at proof-of-concept file reads — here's what a genuinely useful one covers, plus the Java fix that actually closes the hole.

Apr 5, 20265 min read
Buyer's Guides

Best Python Docker image: top options compared

Chainguard ships minimal, signed Python images. Safeguard verifies and monitors whichever base image you run. Here's how the two approaches compare.

Apr 5, 20268 min read
AI Security

Prompt Injection in RAG: Indirect Attacks

A senior engineer's breakdown of indirect prompt injection in RAG pipelines, how real attacks land through retrieved content, and what actually reduces exposure.

Apr 5, 20267 min read
Supply Chain

When to Fork an Abandoned Dependency

Forking looks like a one-time action but is really a multi-year maintenance commitment. Here is a decision framework for when a fork beats patching, vendoring, or replacing.

Apr 5, 20266 min read
AppSec

Use-After-Free Vulnerabilities: How They're Exploited

A use-after-free exploit turns a dangling pointer into arbitrary code execution — here's how the bug class works, why it still dominates browser and kernel CVEs, and how to catch it before release.

Apr 5, 20266 min read
Application Security

Code Review vs Static Analysis

Code review and static analysis catch different bugs at different gates. Here's how they differ, where each fails, and how to combine them.

Apr 5, 20267 min read
Buyer's Guides

Choosing the best Node.js Docker image

Chainguard's minimal Node.js images cut attack surface, but base-image choice is only one link in the chain. Here's how Safeguard compares on patching, debugging, and provenance.

Apr 5, 20268 min read
Supply Chain

SBOM File Formats, Explained

An SBOM file is only useful if the tools reading it agree on its structure — here's what CycloneDX, SPDX, and SWID actually look like and when each one fits.

Apr 5, 20265 min read
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