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Open Source Security

Inside the Apache Foundation's Security Practices

The Apache Software Foundation oversees 350+ projects including some of the most widely deployed software on earth. Their security practices set the standard for foundation-governed open source.

May 20, 20237 min read
Open Source Security

A Taxonomy of Open Source Supply Chain Attacks

Supply chain attacks on open source come in distinct flavors. Understanding the taxonomy helps defenders prioritize controls and recognize threats before they reach production.

Apr 15, 20237 min read
Open Source Security

The March 2023 PyPI Malware Wave

PyPI paused new user registration for most of May 20-23 after a March wave of typosquats and info-stealers flooded the index. Here is what happened and why.

Mar 28, 20235 min read
Open Source Security

Go Modules Checksum Database: Five Years In

sum.golang.org went public in August 2019. After four years of production, here is what the Go checksum database got right and what it did not.

Mar 12, 20236 min read
Open Source Security

PyPI Mandatory 2FA for Critical Packages: A Turning Point for Python Security

PyPI's decision to require two-factor authentication for critical package maintainers marks a significant step toward securing the Python supply chain.

Feb 10, 20236 min read
Open Source Security

OpenSSL Project Governance: Security Lessons from Heartbleed and Beyond

OpenSSL's transformation from a two-person project securing half the internet to a properly governed foundation offers a blueprint for open source security governance.

Jan 12, 20237 min read
Open Source Security

Responsible Disclosure in Open Source: The Messy Reality

Responsible disclosure sounds simple in theory. In practice, coordinating vulnerability disclosure across open source projects with no budgets, no SLAs, and no obligation to respond is an exercise in patience and diplomacy.

Dec 22, 20227 min read
Open Source Security

PyPI Malware Campaigns Surge in Q4 2022: A Roundup of the Worst Offenders

Python's package registry saw an explosion of malicious packages in late 2022, from credential stealers to reverse shells. Here's what we found.

Dec 5, 20226 min read
Open Source Security

Vulnerability Coordination Across the Open Source Ecosystem

When a vulnerability affects a library used by thousands of projects, coordinating the fix is harder than writing the patch. The coordination problem is open source security's biggest operational challenge.

Nov 12, 20227 min read
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