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.
Jul 14, 20256 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.
Filter
Articles
RSS feedConcepts
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.
Jun 17, 20256 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.
Jun 7, 20256 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.
May 21, 20257 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.
May 6, 20256 min read
Concepts
What Is End-to-End Encryption? Privacy From Sender to Recipient
End-to-end encryption keeps data readable only by the sender and intended recipient, so not even the service carrying the message can see its contents.
Apr 9, 20256 min read
Concepts
What Is a Certificate Authority? The Root of Digital Trust
A certificate authority is the trusted third party that vouches for who owns a public key. It is the reason your browser can trust a website it has never seen before.
Mar 18, 20256 min read
Concepts
What Is Key Management? Protecting the Keys That Protect Everything
Key management is the discipline of generating, storing, rotating, and retiring cryptographic keys safely. Strong encryption is only as good as the way its keys are handled.
Feb 25, 20256 min read
Concepts
What Is Mutual TLS (mTLS)? Two-Way Authentication Explained
Mutual TLS makes both sides of a connection prove their identity with certificates, not just the server. It is the backbone of zero-trust communication between services.
Feb 11, 20255 min read
Stay informed
Weekly insights on software supply chain security, delivered to your inbox.
Self-healing security runs on Safeguard.
Your first fix PR is minutes away.
No sales call required, even your agent can complete the purchase over MCP.