Incident Analysis
XZ Utils Backdoor: One Year Retrospective
A year after the XZ Utils backdoor was caught by Andres Freund at Microsoft, what did we fix, what did we ignore, and what still gets packaged into Linux distros?
Mar 1, 20267 min read
Resources
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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What is Sensitive Information Disclosure in LLMs
LLM sensitive information disclosure leaks training data, prompts, and secrets through model outputs. Real incidents, causes, and defenses explained.
Mar 1, 20266 min read
Cloud Security
Container Runtime Security in 2026: What's Changed and What Hasn't
Container security has matured significantly, but runtime protection remains a weak spot. Here's a practical guide to what works.
Mar 1, 20266 min read
Open Source Security
Bundler Lockfile Security Practices
How to use Gemfile.lock as a real security artifact: checksums, frozen mode, reproducible resolves, and what changed in Bundler 2.5's expanded lockfile format.
Mar 1, 20268 min read
Identity Security
OIDC (OpenID Connect)
A precise technical answer to "what is OIDC": how OpenID Connect extends OAuth 2.0 with ID tokens, federated identity, and token exchange to secure modern authentication.
Mar 1, 20267 min read
Cloud Security
Cloudflare Workers: Supply Chain Threat Model
Cloudflare Workers collapse the build, deploy, and runtime into one surface. That changes the supply chain threat model in ways most teams underestimate.
Mar 1, 20268 min read
Open Source Security
npm Workspaces Security Considerations
Workspaces are fantastic for developer experience and hostile to naive security tooling. Here is what actually changes when you flip them on.
Mar 1, 20266 min read
Regulatory Compliance
Gramm-Leach-Bliley Software Security Update
The FTC Safeguards Rule amendments effective May 13, 2024 expand breach-notification and software supply chain expectations for financial institutions under GLBA.
Mar 1, 20266 min read
Identity Security
Workload identity federation
What is workload identity federation? A precise breakdown of keyless cloud authentication, GitHub Actions OIDC, and short-lived credentials replacing static API keys.
Mar 1, 20268 min read
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