One small change can make a big difference in software supply chain security.
PyPI has introduced a new safeguard that rejects uploads of new files to package releases older than 14 days. This helps prevent attackers who compromise a maintainer’s account or publishing pipeline from silently adding malicious files to a long-trusted package version months after it was released.
While this doesn’t eliminate all supply chain threats, it significantly reduces the risk of “package poisoning” attacks against pinned dependencies and encourages immutable releases, a security best practice every ecosystem should strive for.
Security isn’t about a single silver bullet, it’s about layering defenses that make attacks increasingly difficult.
Could we see similar protections become the standard across other package registries like npm, NuGet, and RubyGems?
https://cybersecuritynews.com/pypi-14-day-release-lock/amp/
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