Great for solo devs
Free
Instant protection, zero setup
- ConfigurationOut-of-the-box, no config
- Ecosystem supportnpm, Python, and Rust
- DeploymentLocal usage only
- DashboardCLI output only
- Policy ManagementCLI output only
Block malicious packages before they reach your machine
Socket Firewall stops supply chain attacks at install time by intercepting package downloads and enforcing security policies in real time on developer machines, in CI pipelines, and across your network.
$ npm install -g sfw
Stop attacks before they execute
Most supply chain defenses focus on remediation after it's already too late. Socket Firewall blocks malicious dependencies before they are ever downloaded or executed.
sfw npm install lodash
Install-time protection
Intercept package downloads and block known malware before it reaches your environment.
Policy-driven enforcement
Define exactly what gets blocked, warned, or allowed based on your organization's security and license policies.
Works across environments
Protect developer machines, CI pipelines, and production builds with the same enforcement model.
How it works
Socket Firewall acts as a lightweight proxy that evaluates every package request before it is installed.
Intercept package requests
Socket Proxy intercepts your package manager installs and evaluates each package before it reaches your machine.
Evaluate risk instantly
Each package is checked against Socket's threat intelligence, known malware, suspicious behaviors, and policy violations.
Enforce your policy
Packages are allowed, warned, or blocked based on configurable rules before installation via npm.
Built for enterprise environments
Socket Firewall Enterprise extends protection with flexible deployment, broader ecosystem coverage, and centralized policy control.
Secure CI pipelines
Block compromised dependencies in CI pipelines before they are installed.
Flexible deployment
Run as a CLI, integrate as a proxy, or deploy at the network level to protect your entire organization.
Expanded ecosystem support
Works across JavaScript, Python, Rust, and more with Enterprise support for Maven, Ruby, NuGet, and beyond.
Protect developer machines
Stop malicious packages from reaching locally during development.
Custom policies
Control how your organization handles known malware, suspicious packages, and license risks.
Telemetry and visibility
Get deep, organization-wide visibility across every package request, including what was blocked or allowed.
One scanner for every language your team writes
Secure your team's dependencies across your stack with Socket. Stop supply chain attacks before they reach production.
npm
Maven
yarn
pnpm
pip
uv
NuGet
Poetry
Cargo
Anaconda
C / C++
PHP
Gradle
RubyGems
Bun
Bundler
C#
Go Modules
F#
Elixir & Erlang
VB
GitHub Actions
sbt
Swift
Dart
Chrome extensions
Hugging Face
OpenVSX
Skills.sh
Julia
- npm
- yarn
- pnpm
- Bun
Security leaders love Socket
See how we've helped top companies protect their teams from supply chain attacks.
Start free. Scale with Enterprise.
Socket Firewall Free provides immediate protection out of the box. Enterprise adds control, visibility, and broader coverage.
- For large teams
Enterprise
Full control and visibility
- ConfigurationConfigurable policies and allow-lists
- Ecosystem supportProxy + centralized deployment
- DeploymentLocal usage only
- DashboardFull telemetry and search
- Policy ManagementCustom organization policies
Cut through the noise and focus on real threats.
Get actionable alerts for the supply chain risks that matter. Socket highlights risky dependencies directly within the developer workflow.
