Concepts
What is Patch Latency
Patch latency is the gap between a fix existing and the fix running in production. Here's how to measure it honestly, why it balloons, and how teams get it under 30 days.
Jun 5, 20267 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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What Is a Lockfile?
A lockfile pins the exact versions and hashes of every dependency your build resolves. Here is how lockfiles make builds reproducible and why they are central to supply chain integrity.
May 30, 20265 min read
Concepts
What Is a Package Registry?
A package registry is the network service your package manager pulls code from. Here is how registries work, why they are a critical trust boundary, and how to secure what you download.
May 22, 20266 min read
Concepts
What is a Build Cache Poisoning Attack
Build cache poisoning plants malicious entries in a shared CI cache so trusted builds unknowingly consume attacker-controlled artifacts. Here's the mechanics and the fixes.
May 21, 20266 min read
Concepts
What Is Security Logging?
Security logging records security-relevant events so activity can be monitored, investigated, and audited. Learn what to log, how it works, and the common pitfalls.
May 21, 20266 min read
Concepts
What Is Password Salting? Why Two Identical Passwords Should Never Match
Password salting adds a unique random value to each password before hashing, so identical passwords produce different hashes and precomputed attacks fall apart.
May 11, 20266 min read
Concepts
What is Typo-Squatting Detection
Typo-squatting detection identifies malicious packages named one keystroke away from real ones — requets instead of requests — before they reach your build.
May 5, 20266 min read
Concepts
What is a Trusted Publisher (PyPI and npm)
A trusted publisher lets your CI workflow publish packages with short-lived OIDC tokens instead of stored API keys. Here's how it works on PyPI and where npm stands.
Apr 29, 20267 min read
Concepts
What Is a Nonce? The Number Used Once in Cryptography
A nonce is a value used a single time to keep cryptographic operations fresh and stop attackers from replaying old messages. Small idea, outsized importance.
Apr 22, 20266 min read
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