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Penetration Testing Services to Secure Your Business

Data is the new gold in the modern digital world. If your app or website collects user data, cyber security should be your top priority. And your team implementing it is only a part of the process.

Your software’s security is not just a theory. It requires practical proof of its efficiency. Penetration testing is exactly what you need to check for your users to rely on you.

 Penetration Testing Page Intro
Penetration testing for the top tech companies
Dedicated managed team 
of cybersecurity engineers, architects, and consultants
More than seven years in cybersecurity

What is penetration testing?

A penetration test (or pen test) is a method of ethical hacking that allows you to estimate the efficacy of your cyber security. Pen tests simulate real cyber attacks and look for vulnerabilities that can be potentially misused. This method can be applied to any part of your software from backend servers to APIs.

Your team can use the insights of these tests to enhance security, fix bottlenecks, learn more about potential attacks, and be prepared for them.

Benefits of penetration testing

With a pen test service, you can achieve the following goals.

Test your software’s security right now

What challenges does penetration testing solve?

Penetration tests are valuable for businesses from any industry and of any scale. If you use custom software, automated scanning may not be enough to find all vulnerabilities that cybercriminals can exploit. Our team will help you detect the following issues:

  • Weak credentials

  • Unsafe user privileges

  • Insecure configuration

  • Encryption failures

  • Source code injections

  • Regulatory compliance issues

  • and more

Penetration testing services we provide

Our company is ready to provide you with the relevant pen test as a service depending 
on your business needs.

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Types of penetration testing we use to check your security

Depending on your requirements, we can approach penetration tests 
in three different ways.

Black Box

We try to breach your security as an external attacker with limited to no knowledge of your protocols, security policy, or network structure.

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Black Box

We try to breach your security as an external attacker with limited to no knowledge of your protocols, security policy, or network structure.

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Grey Box

We pretend to be an internal hacker with some knowledge of your system. For example, we can know login details and the network overview.

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Grey Box

We pretend to be an internal hacker with some knowledge of your system. For example, we can know login details and the network overview.

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White Box

We look through your solution under admin rights and assess your security level. We can look through your source code, architecture, and encryption principles.

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White Box

We look through your solution under admin rights and assess your security level. We can look through your source code, architecture, and encryption principles.

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Penetration testing phases: Our approach

To perform the necessary pen tests and provide you with detailed reports, we use 
the following strategy:

Reconnaissance and planning
Active attacks and exploitation
Result analysis and reporting
  • Defining the scope of work

  • Researching the system

  • Documenting objectives

  • Setting the rules of engagement

  • Gathering publicly available business information

  • Vulnerabilities identification

  • Security assessment

  • Abusing account privileges

  • False-positive checking

  • Exploitation of defined vulnerabilities

  • Attacking additional segments 
via compromised systems

  • Writing a detailed report 
with a description of all issues

  • Providing you with a list 
of recommendations for fixing them

Best penetration testing practices 
for your business

Why us?

Here is why Yellow is your best choice as a penetration testing company.

More than 7 years of experience

We have profound experience in performing pen testing for all types of software, businesses, and industries.

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More than 7 years of experience

We have profound experience in performing pen testing for all types of software, businesses, and industries.

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Top-notch intelligence

Our intelligence tactics allow us to deeply understand how hackers work and what they can use to disrupt your business.

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Top-notch intelligence

Our intelligence tactics allow us to deeply understand how hackers work and what they can use to disrupt your business.

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Deep analysis

With penetration testing as a service, you will get not just a simple vulnerability scan, but a detailed checkup of all system layers.

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Deep analysis

With penetration testing as a service, you will get not just a simple vulnerability scan, but a detailed checkup of all system layers.

Read more

Tools we use

Besides deep manual verification, our Team adopts a testing approach by choosing the most appropriate automated tools depending on the customer product specifics.

  • Burp Suite

  • Nmap

  • sqlmap

  • DirBuster

  • DirSearch

  • wafw00f

  • Postman

  • GraphQL Voyager

  • wppE2DTa

  • Wireshark

  • Amass

  • Metasploit

  • masscan

  • HTTPX

  • Extensions: Wappalyzer, 
WhatRuns, Cookie-Editor, 
FoxyProxy

  • JWT

  • Acunetix

  • cURL

  • John the Ripper

  • ExifTool

  • Ysoserial

  • Custom Python solutions

Deliverables

As a result of our cooperation, you will get a complete report with detailed descriptions of found vulnerabilities, including resolution suggestions according to best practices. In addition, you will get full support from the cybersecurity team.

IDShot Description
HighIDX-017XML External Entity Injection (XXE)
MediumIDX-012Cross Site Scripting (XSS)
MediumIDX-013Improper Access Control
MediumIDX-011Email-flooding
LowIDX-002Multiple Improper Input Validation
LowIDX-009Multiply Security Misconfiguration

Our expertise

Penetration Testing of Corporate Digital Whistleblower System

Client: European CRM market leader

We were responsible for:

  • Making sure there is no possibility of unauthorized access to the user's data.

  • Ensuring that the solution cannot be compromised.

  • Verifying that the product doesn’t have architectural specifics that could bring GDPR violation.

Project results:

  • A number of critical issues were identified during the testing and then removed from the product successfully following provided recommendations.

  • The product passed internal and external security audits and was highly rated from a security perspective.

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Penetration Testing of Corporate Digital Whistleblower System

Client: European CRM market leader

We were responsible for:

  • Making sure there is no possibility of unauthorized access to the user's data.

  • Ensuring that the solution cannot be compromised.

  • Verifying that the product doesn’t have architectural specifics that could bring GDPR violation.

Project results:

  • A number of critical issues were identified during the testing and then removed from the product successfully following provided recommendations.

  • The product passed internal and external security audits and was highly rated from a security perspective.

Read more

Penetration Testing of Enterprise Absence Management System

Customer: One of the largest IT service providers in Europe.

We were responsible for:

  • Ensuring that the solution doesn’t have security holes that could lead to customer’s sensitive data loss.

  • Identifying vulnerabilities that could bring a high risk of product outage due to hacker attacks.

Project results:

  • Around 28 vulnerabilities were successfully eliminated from the software. 22 out of 28 vulnerabilities had either medium, high or critical threat levels.

  • The customer’s audit was successfully passed after eliminating exploited vulnerabilities.

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Penetration Testing of Enterprise Absence Management System

Customer: One of the largest IT service providers in Europe.

We were responsible for:

  • Ensuring that the solution doesn’t have security holes that could lead to customer’s sensitive data loss.

  • Identifying vulnerabilities that could bring a high risk of product outage due to hacker attacks.

Project results:

  • Around 28 vulnerabilities were successfully eliminated from the software. 22 out of 28 vulnerabilities had either medium, high or critical threat levels.

  • The customer’s audit was successfully passed after eliminating exploited vulnerabilities.

Read more

Answering questions

What is penetration testing?

A penetration test (or pen test) is a method of ethical hacking that allows you to estimate the efficacy of your cyber security. Pen tests simulate real cyber attacks and look for vulnerabilities that could be misused.

Why are pen tests useful for my business?

They help you get a realistic view of your app’s security and be prepared for real-world attacks.

Who performs a pen testing service?

Pen tests are conducted by a team of CREST-accredited ethical hackers.

How often should I conduct pen tests?

Penetration tests should be performed regularly, at least once a year, to support the security level of your software.

How long does it take to finish a pen test?

Usually, a pen test takes around 2-3 working weeks.

How much does penetration testing cost?

The average cost of penetration testing will depend on many factors including the scope of work and the number of roles and pages per application. To get a more detailed estimation, drop us a line.