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Keep your web applications continuously secure

Discover problems like SQL injections, XSS, outdated libraries, and weak authentication before attackers do. Catcher24 continuously scans your apps and translates the findings into clear recommendations in your dashboard.

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Trusted by companies and organizations from various sectors: Catcher24 offers practical insights that are directly applicable.

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What is web application scanning?

Modern web applications are complex, dynamic, and often the main entry point to your business. They are used extensively by customers, employees, and partners, making them a popular target for attackers.

Catcher24 continuously tests your applications for critical security flaws such as SQL injections, XSS, outdated libraries, and weak login processes. These comprehensive pentests are fully automated, so you don't have to manually analyze code.

You get insight into the most important risks, a clear overview in your dashboard, and concrete advice on how to fix them. This way, you can keep rolling out releases while Catcher24 monitors security.

What is included in our web application scanner?

Web apps are constantly changing. New features, integrations, and frameworks, or a missed update of your organization's web applications, bring new risks. Catcher24 scans them automatically, so you always know if your apps are still secure.

Protection of your data

SQL Injection

Protection of your data

An SQL injection can give attackers direct access to your database. Catcher24 automatically detects these vulnerabilities and helps you prevent sensitive customer and company data from being stolen.

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Secure user experience

Cross-Site Scripting (XSS)

Secure user experience

XSS attacks use malicious scripts to hijack user sessions or steal data. Catcher24 identifies these flaws and provides advice, so your users remain protected and your reputation is not at stake.

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Reliable authentication

Authentication

Reliable authentication

Weaknesses in login processes can lead to account takeovers. Catcher24 checks if your authentication is set up correctly, detects session hijacking or weak passwords, and helps you ensure that only the right people get access.

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Stay up-to-date and secure

Outdated libraries

Stay up-to-date and secure

Many web apps run on open-source libraries. If they are outdated, they are an easy entry point for attackers. Catcher24 detects which versions you are using and warns you about known vulnerabilities, so you can patch in time.

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How our web application scanner works

Catcher24's web application scanner performs a very extensive pentest, works fully automatically, and seamlessly integrates with the development process and secure management of your important applications. From setup to scan reporting, it's simple, clear, and always up-to-date.

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Supports authenticated scans.

Supports authenticated scans.

Works with single-page applications and APIs.

Works with single-page applications and APIs.

Scans your JavaScript frameworks and other libraries.

Scans your JavaScript frameworks and other libraries.

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The importance of scanning web applications

Web applications are often the first targets of hackers. They are visible, used intensively, change quickly, and often contain personal data. You want to minimize the risk of data loss or misuse of your organization's or customers' data. Therefore, security should never be an afterthought.

Web apps are the main entry point for attackers.

Web apps are the main entry point for attackers.

External libraries carry risks.

External libraries carry risks.

Security without slowing down your development team.

Security without slowing down your development team.

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Customer success stories

While Catcher’s self-service tool offers powerful vulnerability scanning, our advanced integrations are only available with our managed service through trusted partners.

The automated web scanner checks to ensure our registration website is secure, and ESET endpoint protection keeps our workstations safe. Everything is in one clear dashboard via Catcher24.

“Phishing has become a major topic of conversation at the lunch table.”

Rob

Director/Co-owner

The automated web scanner monitors our infrastructure and immediately reports any security issues. ESET endpoint server protection keeps our servers shielded from malware and ensures our updates and patches are current.

“Real-time insight into the vulnerabilities of our servers and applications is essential!”

René

Application Development Manager

The automated application scanner checks our CRM package for vulnerabilities. The VEEAM backup integration securely stores our cloud data at various locations in the Netherlands.

“Working from home with the same security against cyber threats as in the office.”

Richard

Founder & CEO

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Our intergrations

Available with managed services via Catcher24 certified partners.

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Partner integration

Phishing simulations

Integrate phishing campaigns and security awareness training with Phished.

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Partner integration

Endpoint protection

Expand your security with endpoint protection via ESET.

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Partner integration

Data backup

Secure your data with the reliable backup solutions from VEEAM.

Frequently asked questions

What is a pentest?

"Pentest" is short for "penetration testing." Our automatic web application scanner uses the same methods as cybercriminals to look for weak spots in a website, application, or IT infrastructure. The scan finds and reports vulnerabilities so you can fix them before malicious actors can exploit them.

How often should I scan my web applications?

We recommend scheduling scans regularly, at least once a month, with real-time notifications for any new vulnerabilities that arise.

What is the difference between an infrastructure and a web application scanner?

Infrastructure scan: checks servers, networks, and cloud settings for OS and service vulnerabilities.

Web application scan: tests websites and APIs for application-specific flaws such as SQL injection and XSS.

Consult our help article for a further explanation of the different types of scans.

Does the scanner also support APIs and Single-Page Applications (SPAs)?

Yes. The scanner also works with SPAs and APIs, and can scan JavaScript frameworks and other external libraries.

What do you mean by authenticated scans?

Authenticated scans are scans in which the scanner gains access to parts of the application that require a login or certain permissions. This allows the scanner to also look for vulnerabilities that are behind an authentication layer, for example, in dashboard functions.

Can the scanner also scan test environments (development/staging)?

Yes, if they are publicly accessible. It is even recommended to use your development/staging as production environments. The scan also tries to perform database injections and can thus damage your database.

Blogs

Read the latest insights, trends, and practical tips to make your company resilient against cyber threats.

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Improve your cybersecurity today

Start your free trial now and discover what Catcher 24 can do for your company. No credit card required, no installation. Just real insight into your real risks.

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