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MediumSupply chainOct 29, 2026

GitHub Introduces New Firewall to Block Dangerous npm Code Packages

GitHub has launched a public preview of a package firewall that stops malicious npm packages from being installed. The tool reviews package downloads and metadata requests in real time to prevent harmful code from entering projects. For businesses that build or manage internal software, this provides an essential safeguard against software supply chain attacks.

Supply chain security briefing

Who is affected

Organizations and development teams relying on npm packages to build or maintain software and web applications.

How to mitigate it

  1. 1Test and enable the GitHub package firewall preview across your active npm development pipelines.
  2. 2Audit existing software dependencies to confirm that all installed third-party libraries originate from trusted sources.
  3. 3Implement access controls and security policies to restrict developers from installing unverified software components.

How Outsource IT solves this

Managed Cybersecurity and Threat Protection helps businesses detect and block suspicious software components across corporate systems before malicious code can compromise operations.

Managed Cybersecurity & Threat Protection

Tags

npmGitHubSupply ChainSoftware Security

Source advisory: the-hacker-news

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