“We needed to find solutions to a variety of issues whilst being a complex business, operating in a 24/7 environment. Stripe OLT listened and understood immediately the challenges we faced.”

IT Operations Manager

Simon Darley

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Penetration testing services

certified Penetration testing services

Our penetration tests (also known as a pen test) are offensive cyber security assessments conducted by CREST certified ethical hackers. These tests are carried out to discover and exploit potential vulnerabilities in an organisation’s business systems.

This web app assessment has been vital to our business. Not only were we taken through any potential risks, but we were also given thorough guidance on how to mitigate them, in a language we were able to understand. Being given this information has been invaluable in ensuring our data is protected.

– Senior Cyber Security Manager, Coller Capital

types of penetration test

With a variety of Pen Testing solutions available, many SME’s are unsure where to begin, or which type of penetration test will best suit their needs.

That’s why at Stripe OLT, we offer five core Penetration Testing solutions, to cover a vast range of cloud and on-premises IT systems.


Test apps built for Android, iOS (and other common operating systems) against known security vulnerabilities.

web app

Identify security vulnerabilities that have stemmed from insecure web development practice.


This pen test will detect and exploit security vulnerabilities in your cloud infrastructure.


This type of assessment will test both internal and external business network perimeters.


Identify and examine the connections between all endpoints and devices connected to your organisation’s Wi-Fi.

highly certified security analysts

CREST –  the Council of Registered Ethical Security Testers – is an international accreditation and certification body, representing and supporting the best of technical information security industry. 

choose your penetration test

Mobile Application Penetration Test

Our mobile application penetration testing service assesses apps built for Android, iOS (and other common operating systems) against recognised vulnerabilities that frequently affect mobile app architectures.

This service will:
Uncover insecure app functionality and misconfigurations, such as insufficient Cryptography 
Exploit potential weaknesses in your application(s), like insecure data transmission
Secure and safeguard your software development lifecycle 
Provide you with actionable insights into potential improvements 

Web App Penetration Test

A web application pen test aims to identify security vulnerabilities that have stemmed from insecure development practice. For example, from the design, coding and publishing of plugins or a website.

This service will:
Test user authentication to verify a variety of accounts
Assess your web applications for vulnerabilities, such as XSS
Help to safeguard web server security and database server security
Assess the configuration and security of web browsers 
Provide you with actionable insights into potential improvements 

Cloud Infrastructure Penetration Test

Cloud Penetration Testing is the process of detecting and exploiting security vulnerabilities in your cloud infrastructure. Our cloud pen test is performed under strict guidelines from the cloud service providers such as Microsoft Azure, AWS and Google Cloud.

This service will:
Uncover insecure APIs
Test for potential server misconfigurations
Identify weak credentials that may pose a risk
Discover risk associated with any outdated software
Provide you with actionable insights into potential improvements

Internal & External Network Penetration Test

Network penetration testing, also known as Infrastructure penetration testing, can be conducted from two angles: inside and outside your organisation’s network perimeter.

This service will:
Uncover insecure configuration parameters
Test against insufficient firewalls
Identify unpatched systems and software flaws
Uncover weak encryption conventions
Provide you with actionable insights into potential improvements

Wireless Penetration Test

Our wireless penetration testing service is there to identify and examine the connections between all endpoints and devices connected to your organisation’s Wi-Fi. This could include desktops, laptops and smartphones.

This service will:
Identify any vulnerabilities affecting your wireless infrastructure
Help you understand how an attacker could move through your wireless infrastructure, escalating their privileges and compromise your corporate network
Provide you with actionable insights into where improvements can be made

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coller capital

how we helped a leading financial services company imrpove their security posture with a web app pen pest

Coller Capital is one of the world’s leading investors in the secondary market for private assets. Being a global business, with offices and employees all over the world, they wanted to find out if any of their digital assets were vulnerable to a cyber-attack.

why stripe olt?

Microsoft specialists
Award winning
security experts

microsoft GOLD certified 

Whether you need to enhance collaboration with applications like SharePoint and Teams, or secure your environment with Azure Sentinel, you can trust in our highly certified Microsoft team. 

Award-Winning helpdesks

With over 18 year’s experience, we’ve built a reputation we’re proud of. Winning awards for both our managed IT and managed security services means we don’t just claim to be the experts. With Stripe OLT you are guaranteed an exceptional experience.

highly certified security experts

Employing both ex-government and military veterans, we ensure our clients are protected by the best. Our security engineers are IASME, CREST & Microsoft security certified (to name a few), consistently performing at a high-level, 24/7. 

Looking for an alternative?

Working alongside a team of cloud & cyber security specialists, means your organisation can benefit from a number of expert solutions.

What are you looking to achieve?
  • Managed Cyber Security (SOC)
  • Digital Footprint Review
  • Incident Response Planning
  • Red Teaming
  • Digital Transformation Services
  • M365 Security Gap Analysis


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Working with global brands, to support ambitious organisations.