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6 Practices for Node.js Security

by Mic Johnson

The security of one’s activities regarding code is among the essential factors modern decision-makers must consider. Node.js is a very secure platform in the current conditions. Still, just like every other framework in the world, it is not perfect. You need to always question whether the practices you use to make sense from the standpoint of long-term security. In this article, we shall take a look at some of the key issues that Node.js users can encounter in their work. More importantly, we will offer some solutions that can greatly improve security in Node.js.

What Is NPM and What Is Its Relation with Security Issues?

NPM stands for the Node.js Package Manager. This database offers access to many user-developed addons for the Node.js platforms. One can find a large number of high-quality tools relevant to all types of development goals. The problem with the platform lies in the inability to double-check all the available packages. As a result, the possibility of getting some exploit-centric errors via such platforms is high. To remove the danger in question, the most logical solution is to make major investments in code reviews. Therefore, NPM, despite being convenient, requires some significant efforts to monitor its potential dangers.

Top 6 Node.js Security Risks and Solution Practices

Today, a set of large-scale security risks may stem from the usage of Node.js. All of them have some solutions:

  1. XSS attacks of various kinds: cross-site scripting is a problem for many platforms in the modern world. Consequently, a good idea is to focus on its removal regarding Node.js. Many hackers can try to inject virulent code directly into the website pages as viewed by the users. Therefore, the most rational solution is to create a strong encoding of the output for the majority of the users.
  2. Vulnerabilities within code itself: every coder can sometimes make big errors. The most rational solution, therefore, is to focus on the removal of the potential errors. In this case, good practice includes reviewing existing code and, more importantly, the use of code linters. Software aimed at the automatic review of the code is essential.
  3. Lack of access control: some users don’t put the proper barriers for entrance regarding admin dashboards, for example. As a result, however great your code is, you still risk an intrusion. To overcome the issue, use the existing tools for the creation of access barriers.
  4. Outdated software: some of the older versions of Node.js software feature issues with the usage of HTTP headers. Other problems can exist too. Thus, the most rational solution today is to update as fast as possible.
  5. Vulnerabilities within Node.js components: both updates and old software bear the risk of large-scale internal issues. Good practice in such cases is to use automatic testing tools. Reading user feedback is also a great idea.
  6. Authentication problems: many individuals fail to create good security systems for authentication even if they set them up. Since vulnerabilities appear constantly, a strong idea is to invest in the constant updates and use of the most novel software.


In the end, it is clear that you should make large-scale investments into the security of Node.js. Indeed, the platform is very secure as of today. Still, one should understand that nothing is perfect. Problems can arise both from the user mistakes and the overall lack of attention on the part of framework creators. In this light, investments in some forms of security departments are essential. A potent approach is to address professionals. We can, for example, recommend the service of a company that specializes in Node.js, KeenEthics.

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