Security Guides
In-depth guides and analysis on security guides from the Safeguard engineering team.
100 articles
FastAPI Security Best Practices: A 2026 Guide
FastAPI's type system catches a whole class of bugs for free, but async I/O, JWT handling, and dependency injection introduce risks that Pydantic will not save you from.
Express.js Security Guide (2026)
Express is the default web framework for Node.js — and a small, deep dependency tree that has produced open-redirect, XSS, and ReDoS CVEs. Here is how to run Express safely in 2026.
Deno Security Best Practices (2026)
Deno is secure by default, but its permission model only protects you if you use it deliberately. Here is how to run Deno with least privilege and keep its dependency graph clean.
Bun Security Best Practices (2026)
Bun is fast and Node-compatible, but unlike Deno it has no permission sandbox. Here is how to run it safely: trusted-dependency script blocking, frozen lockfiles, and real dependency auditing.
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