When it comes to website vulnerabilities, OWASP top 10 is what most businesses trust.

According to a recent research, on average each web application contains 33 vulnerabilities. Every year, we discover more than a thousand vulnerabilities and most business owners do not have time or data to understand which ones are critical.

OWASP (Open Web Application Security Project) provides unbiased data and information on the most critical vulnerabilities that the businesses should care about.

But, is it economical to use scanners looking for OWASP Top 10? Often, not. Most OWASP Top 10 scanners on the market are extremely costly. How would you know if you want to use one?

That’s why I have come up with a list of tools that you can use for free or almost for free.

1. Mister Scanner

This is the most economical scanner on the market. Period. Hailed by the users are Amazon, Zendesk, and Walmart, it is one of the best options when you do not want to spend a lot of money and need the accuracy of an expensive scanner.

Mister Scanner combines automated scanning with penetration testing to ensure that you get reliable data on the security loopholes. While the premium plans are not suitable for small businesses, you can start with the basic one and see how it works for you.

  • OWASP Top 10 vulnerabilities covered
  • WhatsApp notifications
  • Free for life plan
  • Integrated with a dozen of tools

2. Detectify

 What makes a powerful OWASP scanning tool? Detectify ticks on every requirement that you have on the list. This automated security and asset monitoring tool scans your web assets for more than 1500 issues and sends out a report to ensure that you stay on top of it.

Although the original plans are not inexpensive, you can actually take a free trial to understand how the scanner will work out for you. You do not need a credit card for it either.

  • Tested for 1500+ vulnerabilities, including OWASP Top 10, CORS and Amazon S3 Bucket misconfigurations
  • New vulnerabilities added every week
  • Descriptive reports with  security issues

3. Qualys WAS

Qualys is the mother of cloud solutions with over a decade of experience in finding OWASP top 10 issues with the websites. The company boasts easy to deploy scanner that scales to millions of assets to offer deep testing. It also covers public cloud instances and gives you instant visibility of vulnerabilities like SQLi and XSS.

Just like Detectify, the product isn’t cheap, but you can definitely get a trial to understand the powerful benefits.

  • Fully cloud-based
  • Detect OWASP Top 10 risks such as SQL injection, cross-site scripting (XSS), cross-site request forgery (CSRF) and unvalidated redirection
  • Malware detection
  • Consolidate web app vulnerability data from manual penetration testing solutions

4. Pentest Tools

This one is an absolutely free scanner for issues like outdated server software, insecure HTTP headers, insecure cookie settings, fingerprint web server software, and check the security of HTTP cookies. The ‘Light’ version of the product is perfect to test out the features.

The ‘Full Scan’, however, is a paid version of the tool and costs about $65 to start with. It looks for in-depth issues such as SQL Injection, Cross-Site Scripting issues, and OS Command Injection.

  • Tests for outdated server software, insecure HTTP headers, insecure cookie settings
  • Deep testing for SQL Injection, XSS, Local File Inclusion, OS Command Injection and more
  • Fingerprint webserver software
  • Detailed report for the found security issues

5. Acunetix Vulnerability Scanner

Acunetix is the oldest security player on the list with experience of over a decade. The company has been improving web application security for thousands of companies since 2004 and is good at doing so. While this scanner focuses on Layer 7 issues, you get added value of network security, which is a priority for many businesses.

It tests your web applications for common vulnerabilities such as SQL Injection, Cross-site Scripting (XSS), and other OWASP issues. Since the scanner is written in C++, it is also one of the fastest tools on the market

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