Concepts
False Positives vs False Negatives: What's the Difference?
A false positive flags something safe as dangerous. A false negative misses something dangerous entirely. One wastes your time; the other gets you breached.
Jul 5, 20266 min read
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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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Introduction to Secure Software Development
Security is not a phase you bolt on at the end — it is a set of practices woven through every stage of building software. This guide introduces the secure development lifecycle, the practices that matter at each stage, and how to get started.
Jul 5, 20266 min read
Concepts
The Security Design Review: A Practical Guide
A security design review examines a system's architecture before it is built to find flaws that no code scanner can catch. Here's how to run one that finds real problems while they are still cheap to fix.
Jul 5, 20267 min read
Concepts
What Is a CVSS Score
A CVSS score rates how severe a security flaw is on a scale of 0 to 10. Here is what the number means, how to read it, and why it is only part of the risk picture.
Jul 5, 20266 min read
Concepts
What Is Shift-Left Security? A Plain-English Explanation
Shift-left security means moving security checks earlier in development — into the IDE, the commit, and the pull request — so flaws are caught while they're cheap to fix. Here's what it actually means and how to do it without slowing teams down.
Jul 5, 20267 min read
Concepts
What Is Sigstore?
Sigstore is an open-source project for signing and verifying software without managing long-lived keys. Here's how Cosign, Fulcio, and Rekor make keyless signing work.
Jul 5, 20266 min read
Concepts
What Is the LGPL License? Linking and Weak Copyleft
The GNU Lesser GPL is a weak-copyleft license designed for libraries. It lets proprietary software link to LGPL code without becoming GPL. Here is how the linking rules actually work.
Jul 5, 20266 min read
Concepts
Introduction to Vulnerability Scanning
Vulnerability scanning is how teams find known weaknesses before attackers do. This guide explains what a scanner actually does, the main types, how a scan works end to end, and how to turn a wall of findings into a short list of things worth fixing.
Jul 4, 20266 min read
Concepts
Secure Defaults, Explained
Secure defaults mean the out-of-the-box configuration is the safe one, and weakening it requires a deliberate opt-in. Here's why the default state decides most real-world security outcomes.
Jul 4, 20267 min read
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