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Socket

Socket is a software supply-chain security platform that blocks zero-day supply chain attacks in JavaScript, Python and Go dependencies by analysing package behaviour, with a free plan.

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Introduction

Socket fights vulnerabilities and provides visibility, defence in depth and proactive supply-chain protection for JavaScript, Python and Go dependencies. Rather than relying only on known CVEs, it analyses what packages actually do, flagging risks such as install scripts, network access, obfuscated code and typosquatting.

Features

  1. Behavioural package analysis: Detects malicious or risky packages.
  2. Pull-request alerts: GitHub app comments on risky dependency changes.
  3. CLI and firewall: Check installs; see docs.
  4. Vulnerability data: Known CVEs alongside behavioural signals.
  5. SOC 2 Type 2: Per the vendor.

Pros

Cons

  1. Ecosystem coverage: Focused on supported ecosystems.
  2. Advanced features paid: Team and Enterprise tiers.

Install the Socket GitHub app on your repositories, or run the CLI before installing packages:

npx socket npm install <package>

Resources:

Pricing

From Socket’s pricing page: a Free plan at $0, with paid Team and Enterprise plans; see site.

  1. JavaScript and Python teams worried about malicious packages.
  2. Security teams wanting PR-level supply chain alerts.
  3. Not a fit for SAST.

Conclusion

Socket adds behavioural, proactive protection against malicious dependencies.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with Socket side by side.