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Npm Security Libraries

Most Popular Npm Security Libraries

NameSizeLicenseAgeLast Published
crypto-js70.2 kBMIT10 Years22 Jul 2021
safe-buffer9.74 kBMIT8 Years10 May 2020
helmet21.44 kBMIT11 Years6 May 2023
bcrypt32.53 kBMIT12 Years16 Aug 2023
bcryptjs76.21 kBMIT10 Years7 Feb 2017
dompurify194.72 kB(MPL-2.0 OR Apache-2.0)9 Years11 Jul 2023
express-rate-limit28.61 kBMIT9 Years16 Sep 2023
ssri11.21 kBISC6 Years14 Aug 2023
snyk8.6 MBApache-2.08 Years18 Sep 2023
xss29.68 kBMIT11 Years16 Aug 2022
node-rsa33.08 kBMIT9 Years22 Jul 2020
js-sha314.59 kBMIT8 Years16 Sep 2023
eslint-plugin-security31.83 kBApache-2.08 Years2 Feb 2023
zxcvbn1.56 MBMIT11 Years7 Feb 2017
js-sha25611.37 kBMIT10 Years31 Aug 2023

When are They Useful

Security software dependencies are very important in the aspect of software development. They are useful in several scenarios for JavaScript packages:

  1. Securing the Application: npm provides libraries for different security aspects such as authentication, encryption, and authorization.

  2. Data Validation: They offer the possibility to validate input to prevent injection attacks.

  3. Secure Communication: Packages are available to help secure data in transmission.

  4. Avoiding Code Vulnerabilities: They help to avoid code vulnerabilities such as Cross-Site-Scripting (XSS) or Cross-Site-Request-Forgery (CSRF).

Functionalities They Usually Have

The functionalities of security dependencies typically revolve around certain aspects:

  • Authentication: Confirming the user's identity. This is usually the first step in security measures.

  • Authorization: Checking whether a user has permission to access or modify specific resources.

  • Encryption: This is used to securely store sensitive data. It converts the data into an unreadable format that can only be returned to a readable format with the proper decryption key.

  • Data Integrity: Security libraries offer mechanisms to ensure that data has not been altered in transit.

  • Input Validation: This helps to prevent injection attacks where hackers attempt to inject malicious code through forms or URL parameters.

Gotchas/Pitfalls to Look Out For

Here are some common pitfalls to watch out for while using npm for JavaScript packages:

  • Obsolescence: Some packages might be outdated or no longer maintained. Using such packages could pose a risk to your application.

  • Dependent Packages: A package may have dependencies on other packages. This could potentially result in conflicts with other packages or lead to including a package with known security vulnerabilities.

  • Licenses: Certain packages may come with licenses that impose limitations on their use.

  • Downloading Packages from Untrusted Sources: Downloading packages from unverified or untrusted sources can be a risk. Always use trusted sources like npm.

  • Ignoring Updates: Failure to update packages can leave your app exposed to risk. Frequent updates should be carried out to ensure that the latest security upgrades are incorporated.

Remember, security is a crucial aspect of software development and should not be taken lightly. Regular updates, use of trusted sources for package downloads, appropriate licensing, and active package maintenance are important factors to consider.