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Web application penetration testing

ESKA experts have the knowledge and hands-on experience required to fortify web applications against security threats. Our web application penetration tests are designed for SMBs to Enterprise and emerging companies across multiple industries.

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What types of web apps need penetration test?

Penetration testing is an important cybersecurity procedure that can benefit a wide range of web applications. Here are some types of web apps that commonly need pentesting:

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SaaS Application

These sites handle sensitive customer data and pentesting ensures that customer data is secure and transactions are safe. The test cover exploring logical flaws within the application's operational workflows, uncovering prevalent web application vulnerabilities (SQL, XSS, SSTI, etc.), challenges associated with authentication and session management, and the utilization of vulnerable third-party components.

E-commerce Websites

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SaaS penetration testing is an in-depth evaluation of all components of SaaS apps like web interfaces, network, cloud, APIs, third-party integrations, base code, user roles, to identify and fix hidden security vulnerabilities in them. It also helps SaaS owners review the present security of their product, bridge existing security gaps, and find improvement areas, while there still is time.

Online Banking and Financial Service

Financial websites are prime targets for hackers due to the valuable data. The most common cyber threats to the financial services sector are SQL Injections (SQLi), ​Cross-Site Scripting (XSS)Local FIle Inclusion (LFI)​, OGNL Java Injection. An attacker can gain access to a web application by exploiting a vulnerability in the application’s code or its environment. 

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Healthcare Portals

Healthcare web apps often store personal and medical patient data and electronic protected health information (ePHI). Pentesting is critical to secure patient information.

Government Websites

The government sector presents an enticing opportunity for cybercriminals because of the valuable data it holds and the essential services it offers. Moreover, governments are responsible for safeguarding their citizens, and cyberattacks on government infrastructure can lead to extensive consequences, including threats to national security. Pentesting plays a crucial role in fortifying defenses against data breaches and cyberattacks.

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Cloud-Based Applications

Cloud app pentest is an authorized simulation of a cyberattack against a system that is hosted on a cloud provider, e.g., Google Cloud Platform, Microsoft Azure, Amazon Web Services (AWS), etc. Pentesting helps to keep data secure that stored in the cloud.  

Educational portals and
e-learning platforms

These web apps store student data, their payment records, transaction history, and any other user-sensitive information. Penetration testing can be utilized to enhance perimeter security by identifying potential system vulnerabilities that could serve as entry points for hackers. This process may also encompass an examination of current permissions and user accounts to verify login data, credentials, and any factors that could result in security breaches.

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Content Management Systems (CMS)

CMS such as Drupal, WordPress, Magento, and Joomla enjoy widespread popularity but are also susceptible to hacking. Beyond the base installation, various plugins, themes, and custom modules are frequently added, making these components vulnerable to security threats. Even standard installations can contain vulnerabilities that hackers can exploit. This underscores the critical need for regular penetration test to prevent potential website breaches.

Other types of web apps

Web-Based Email Services: Email services are targets for phishing attacks. Pentest helps prevent email compromise.

Booking and Reservation Systems: These systems handle financial transactions and personal data. 

Customer Relationship Management (CRM) Systems: CRM systems store customer information and need to be secured. 

Supply Chain Management Systems: Businesses rely on these systems to manage their supply chains, making their security crucial.

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Web app pentest packages

Choose the best plan that suite for your business:




$ 2,999

$ 4,999

$ 7,999

$ 17,999

$ 2,999

$ 4,999

$ 11,900

+ Up to 2 user roles

+ Tests up to 5 business functions 

(Payment, upload, user cabinet etc.)

+ Test up to 30 IPs

+ Up to 2 user roles

+ Tests up to 12 business functions 

(Payment, upload, user cabinet etc.)

+ Test up to 80 IPs

+ Up to 4 user roles

Tests up to 25 business functions 

(Payment, upload, user cabinet etc.)

Test up to 150 IPs

Common Web Application

During a web pentest, the primary goal of esters is to identify the most critical vulnerabilities, in alignment with OWASP and other security standards. The ESKA cybersecurity team will help to identify vulnerabilities:

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Authentication Mechanism and Brute Force Attacks
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XSS Vulnerabilities

Cross-Site Scripting (XSS) is a prevalent vulnerability found in web applications. When exploited effectively, it can lead to session hijacking, alteration of the user interface, and the injection of malicious code (JavaScript, HTML, CSS), potentially resulting in actions like downloading malware. XSS attacks typically involve sending harmful content that gets displayed in a user's web browser, often in the form of pop-ups or redirections to external websites.

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SQL Injection Attacks

SQL injection vulnerabilities permit unauthorized interaction with an application's database through unanticipated queries. Exploiting these vulnerabilities can result in data theft, data loss, or the unauthorized alteration, deletion, or manipulation of stored data.

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Cross-Site Request Forgery (CSRF)

Certainly, a web application can face direct attacks, with the authentication feature being the most straightforward and apparent target. The prevalent attack method against authentication systems is brute force. In such instances, an attacker employs specialized tools to repeatedly input username and password combinations until gaining access to the web application.

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Security Misconfigurations

Security Misconfigurations: Inadequate configuration of security settings can unveil sensitive data or provide unauthorized access to attackers.

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Broken Access Control

Inadequate access controls can enable users to access functionalities or data they should not be authorized to access.

CSRF attacks deceive users into unknowingly executing actions on a website without their knowledge or consent, potentially resulting in unauthorized transactions or alterations to data.

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ML External Entity (XXE) Attacks

XXE vulnerabilities can enable attackers to read local files, perform DoS attacks, or execute arbitrary code.

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Unvalidated Redirects and Forwards
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Sensitive Data Exposure

Neglecting the safeguarding of sensitive data, such as financial or personal information, can result in data breaches.

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Insecure Deserialization

Inadequate deserialization can be exploited by attackers to execute arbitrary code or obtain unauthorized access.

When an application permits unvalidated redirects or forwards, malicious actors can manipulate URLs to lead users to harmful websites.

Methodologies we use
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Worry about your safety?

We provide Black Box Penetration Testing with no insider information or privileged access to the system. Black box pen testers don’t have full access to the system being tested and have to break into the system from the outside, just like a real attacker would.

With over 8 years of successful presence in the IT industry, ESKA has deep expertise in software development. Our cybersecurity specialists understand the common pitfalls developers might encounter. Instead of simply discovering web applications for weaknesses, our security professionals use their experience to find critical issues before they escalate into security emergencies.

Request a quote

If you haven’t found a suitable plan, please leave a request to calculate the cost of an individual project.

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