9 Tools to Secure NodeJS Applications from Online Threats

Node.js, one of many main JavaScript runtimes, is capturing market share step by step.

When something turns into well-liked in expertise, they’re uncovered to hundreds of thousands of execs, together with safety specialists, attackers, hackers, and many others.

A node.js core is safe, however once you set up third-party packages, the way in which you configure, set up and deploy might require extra safety to defend internet functions from hackers. To get an concept, 83% of Snyk customers discovered a number of vulnerabilities of their functions. Snyk is among the well-liked node.js safety scanning platforms.

And one other latest research reveals ~14% of the entire npm ecosystem was affected.

In my earlier article, I discussed discovering safety vulnerabilities in a Node.js software, and plenty of of you requested about remediating/securing them.

Best Practices for Improving Node JS Security

No framework, together with Node JS, may very well be cited as 100% safe. Hence, you should observe these safety practices to keep away from dangers.

  • Regularly log and monitor actions to detect vulnerabilities
  • Do not block the Event Loop
  • Use flat Promise chains to keep away from nesting layer errors
  • Create sturdy authentication insurance policies in your ecosystem
  • Manage errors to forestall unauthorized assaults
  • Use anti-CSRF tokens in your functions
  • Stop knowledge leakage by sending solely the important data
  • Properly handle periods with cookie flags
  • Control request dimension to forestall DoS assaults
  • Use personalized bundle settings and a non-default person password
  • Implement entry management guidelines for every request
  • Regularly replace packages to keep safe towards threats and assaults
  • Protect from internet safety vulnerabilities utilizing applicable safety headers
  • Do not use harmful capabilities for the sake of software stability
  • Use strict mode to keep away from errors and bugs

Now, we discover the most effective instruments to safe NodeJS functions.


Snyk could be built-in into GitHub, Jenkins, Circle CI, Tarvis, Code Ship, and Bamboo to discover and fixes recognized vulnerabilities.

You can perceive your software dependencies and monitor real-time alerts when threat is present in your code.

On a excessive stage, Snyk offers full safety safety, together with the next.

  • Finding vulnerabilities within the code
  • Monitor code in real-time
  • Fix the susceptible dependencies
  • Get notified when a brand new weak point impacts your software.
  • Collaborate along with your crew members

Snyk maintains its personal vulnerabilities database, and at the moment, it helps Node.js, Ruby, Scala, Python, PHP, .NET, Go, and many others.


Jscrambler takes an fascinating, distinctive strategy to present code & internet web page integrity on the consumer aspect.


Jscrambler makes your internet software self-defensive to combat fraud, keep away from code modification in run-time, and knowledge leakage, and defend from reputational loss and enterprise.

Another thrilling characteristic is software logic, and knowledge is reworked in order that it’s onerous to perceive and hidden on the consumer aspect. This makes it tough to guess the algorithm, applied sciences used within the software.

Some of the Jscrambler featured embrace the next.

  • Real-time detection, notification & safety
  • Protection from code injection, DOM-tampering, man-in-the-browser, bots, zero-day assaults
  • Credential, bank card, non-public knowledge loss prevention
  • Malware injection prevention

Jscrambler helps most JavaScript frameworks reminiscent of Angular, Ionic, Meteor, Vue.js, React, Express, Socket, React, Koa, and many others.

So go forward and provides a attempt to make your JavaScript software bulletproof.

Cloudflare WAF

Cloudflare WAF (Web Application Firewall) protects your internet functions from the cloud (community edge). You don’t have to set up something in your node software.

There are three sorts of WAF guidelines you get.

  • OWASP – to defend an software from OWASP high 10 vulnerabilities
  • Custom guidelines – you may outline the rule.
  • Cloudflare specials – Rules outlined by Cloudflare primarily based on software.

By using Cloudflare, you don’t add safety to your web site and make the most of their quick CDN for higher content material supply. Cloudflare WAF is out there within the Pro plan, which prices $20 per 30 days.

Another cloud-based safety supplier choice could be SUCURI and StackPath, a whole web site safety resolution to defend from DDoS, malware, recognized vulnerabilities, and many others.


Different instruments can be found available in the market at the moment, and that’s the place startups and younger professionals get confused about which one somebody ought to select for his or her specific job. Here, I current, Helmet.JS! Helmet relies on the Node.JS module. 

Its important deliveries embrace enhancing the safety of functions by configuring HTTP Headers and guarding towards potential on-line threats like Cross-Site Scripting and clickjacking assaults.

Its built-in modules are handy and ship a correct safety backup. Some of the modules I discovered to be sharable are talked about under:

  • Content-Security-Policy
  • X-Frame-Option
  • Public-Key-Pins
  • Cache-Control
  • Referrer-Policy
  • X-XSS-Protection

Overall, I discover this device deserves to be on the record due to the elements it covers regarding safety.


N|Solid is a drop-in alternative platform to run a mission-critical Node.js software.


It received inbuilt real-time vulnerability scanning and customized safety insurance policies for enhanced software safety. You can configure it to get alerted when a brand new safety vulnerability is detected in your Nodejs functions.

Rate Limit Flexible

Use this tiny package to restrict the speed and set off a operate on the occasion. This shall be useful to defend from DDoS and brute drive assaults.

Some of the use circumstances could be as under.

  • Login endpoint safety
  • Crawler/bot charge limiting
  • In-memory block technique
  • Dynamic block primarily based on the person’s motion
  • Rate limiting by IP
  • Block too many login makes an attempt

Wondering if this may sluggish the appliance?

No, you received’t even discover that. It’s quick; the typical request provides 0.7ms within the cluster atmosphere.

AppTrana Cloud Waap (WAF)


AppTrana has been thought-about a totally administered WAF resolution. It can present an end-to-end safety resolution regarding an internet software. It’s well-known for its engaging providers and options, a few of that are famous under:

  • Threat-based safety: For the aim of defending the net software, as talked about above, AppTrana makes use of a selected and important risk-based strategy. Along with the safety of bot mitigation service, It can serve wonderful safety from API dangers and DDoS assaults. Additionally, it aids in guaranteeing wonderful efficiency in addition to continuous availability. 
  • Identification of vulnerability: In order to detect the vulnerabilities, AppTrana combines handbook penetration testing that features human safety specialists for commonly testing the appliance to determine potential vulnerabilities with automated scanning instruments which have the aptitude of figuring out widespread safety threats. 
  • Web Acceleration with Secure CDN: In addition to safety, AppTrana prioritizes internet acceleration by means of the deployment of a Content Delivery Network (CDN). CDN providers enhance web site efficiency by caching content material nearer to finish customers, reducing latency, and growing response instances. AppTrana’s CDN is constructed to work safely alongside the WAF options.

Looking at its providers and options. I consider this device deserves the spot on the record. I like to recommend utilizing AppTrana; if you would like to safe your app and get the outcomes of your want, swap to AppTrana!

RASP (Runtime Application Self Protection)


Lots of organizations are working behind safety considerations and their options. Various instruments have been developed to assist organizations discover vulnerabilities and safety loopholes. The record consists of instruments to assist organizations and startups safe their internet functions. We have “RASP (Runtime Application Self Protection)” amongst them! 

This device is a wonderful choice for organizations. It protects cloud-native functions from vulnerabilities and offers safety from inside, guaranteeing software security.

RASP has a superb assault detection characteristic, which implies RASP can detect and defend towards assaults in actual time. The device is like armor that may defend from assaults like clickjacking, unvalidated redirects, malformed content material sorts, and many others. 

This is not only sufficient! It watches out in your again by supplying you with help in your internet functions weaknesses as nicely. RASP could be built-in with Active functions, Third-Party Applications, API, Cloud Applications, and Microservices.

To be sincere, I felt this device might safe your internet software with its twin impact of WAF and RASP, which doubtlessly means protection in depth. Its unbelievable and much-needed options are engaging sufficient for startups and organizations to make their internet functions safe and assist them simply discover vulnerabilities.


The following device just isn’t quick; it’s simply tremendous quick! Developers name it sanitizer, because it’s a dependable device to safe your Node.js Application. DomPurify prevents XSS assaults & different vulnerabilities and proves itself an rising star within the developer’s group. 

The important attraction towards this device is its velocity and ease of use. It’s swift in scanning, detecting, and eliminating safety threats in your software. DOMPurify works server-side with Node.js. Therefore the set up is simple and useful. 

To proceed with DOMPurify, you want to set up “jsdom” first. I might suggest utilizing this device if you would like to improve your safety and beat down the warmth of great safety threats. 


I hope the above record of safety safety helps you to safe your NodeJS software.

Next, don’t overlook to try the monitoring resolution.

Vikash Gorayan

Vikash Gorayan is a technology enthusiast with a passion for gadgets and product management. He is constantly seeking new opportunities to learn and grow in his field.

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