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typosquatting

Safeguard articles tagged "typosquatting" — guides, analysis, and best practices for software supply chain and application security.

70 articles

Supply Chain

cross-env and the crossenv Typosquat: A Supply Chain Case Study

In 2017, a malicious crossenv package on npm stole environment variables from developers who mistyped cross-env. The incident is still the cleanest case study in typosquatting we have.

Mar 21, 20267 min read
Software Supply Chain Security

Typosquatting Meets AI: The New Threat of AI-Generated Package Names

AI code assistants recommend packages that do not exist, and attackers are registering those hallucinated names. This new typosquatting vector exploits the trust developers place in AI suggestions.

Mar 13, 20267 min read
Open Source Security

PyPI Typosquatting Detection at Scale

Typosquatting remains a steady drumbeat on PyPI. What detection actually looks like when you're trying to catch it at ecosystem scale, and where the interesting edges are.

Mar 10, 20267 min read
Supply Chain Security

Python Package Typosquatting in 2024: Scale, Tactics, and Defenses

Typosquatting on PyPI reached industrial scale in 2024, with attackers using automated tooling to register thousands of malicious package names targeting common misspellings of popular libraries.

Mar 9, 20266 min read
Open Source Security

RubyGems Typosquatting Incidents: 2024

A running ledger of typosquat incidents on RubyGems.org through 2024, the patterns across them, and what the year's data says about where the registry's defenses still fall short.

Mar 8, 20268 min read
Open Source Security

OSS Trademark Policies: Security Angle

Trademarks matter in open source security because they are the signal of authentic origin. When trademark policies fail, typosquatting, impostor forks, and compromised builds follow.

Mar 6, 20267 min read
Open Source Security

Typosquatting packages

What is typosquatting? A precise breakdown of package typosquatting attacks, real npm and PyPI examples, and how lookalike malicious packages slip into builds.

Mar 3, 20266 min read
Supply Chain

PyPI Security: Malware Campaigns and How to Defend

The Python Package Index has become a first-class malware channel — from the ctx hijack to the ultralytics pipeline compromise. Here are the campaigns worth studying and the defenses that work.

Feb 12, 20266 min read
Open Source Security

How to Detect Typosquatting in Package Installs

Build a pre-install guard that catches typosquatted npm, PyPI, and RubyGems dependencies using Levenshtein distance, download-count heuristics, and registry APIs.

Feb 11, 20265 min read
Open Source Security

What is a Package Manager

Package managers like npm and pip automate dependency resolution — and have been the entry point for incidents from event-stream to the xz-utils backdoor.

Feb 8, 20267 min read
Open Source Security

What is PyPI Security

PyPI security stops typosquats, dependency confusion, and poisoned CI builds before pip install ever runs your code.

Feb 8, 20267 min read
Supply Chain Attacks

Cargo supply chain attacks: typosquatting and malicious c...

Crates.io typosquatting tricks Rust developers into pulling malicious crates instead of trusted ones. Here's how these attacks work — and how to spot them before you build.

Feb 5, 20267 min read

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typosquatting (Page 5) — Safeguard Blog