“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
Trusted by industry leaders

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Call us on one of the numbers below, we cover the whole of the UK.

BriSTOL HQ & The South West

+44 (0) 117 974 5179

London & Surrounding Areas

+44 (0) 207 043 7044

Manchester & the North West

+44 (0) 161 399 1305

“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
Trusted by industry leaders

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“Over many years in security I have worked with some of the best security services in the business and I must say I found Stripe OLT extremely professional and made me very comfortable sharing our companies most confidential information.

Head of information security
Rail Delivery group
Trusted by industry leaders

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“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
Trusted by industry leaders

Request a Call

First we need a few details.

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penetration testing

CREST accredited penetration
testing service for industry leaders 

We quickly identify vulnerabilities in your business systems, network and infrastructure, so no one else gets the chance to. Our ethical hackers are here to uncover your vulnerabilities and save your business from a potentially devastating cyber-attack. Save yourself the pain of lost time and money and get in touch today.


why get a penetration test with stripe olt?

Industry leaders have been using Stripe OLT for the last 18 years. The reason major brand trust us is….

Comprehensive Reporting

You’ll receive a comprehensive report, with in-depth remediation advice and guidance, in a language you can understand.  

Crest Certified

Our ethical hackers are CREST accredited, which means our experts have received an industry leading certification and continuously deliver to highest levels of pen testing standards. 

Competitive Pricing with Industry experts

We provide enterprise level threat detection and response services, without the corporate price tag. We want to empower organisation’s with highly affordable offensive testing services to ensure companies of all sizes are protected against growing cyber security threats. 

benefits of offensive security testing

Rapidly gain insight into vulnerabilities
Improve risk awareness of common vulnerabilities
Demonstrate commitment to cyber security
Gain third party assurance and peace of mind
Support compliance needs
Manage your risk profile in an informed way

Coller capital

This web app penetration 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

Choose your 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 vulnerabilities found in both cloud and on-premises IT systems. 

Cloud Infrastructure Security 

This pen test will detect and exploit security vulnerabilities in your cloud infrastructure. 
Uncover insecure APIs
Test for potential server misconfigurations
Identify weak credentials that may pose a risk
Discover risk associated with any outdated software

Network Security 

This type of assessment will test both internal and external business network perimeters. 
Uncover insecure configuration parameters
Test against insufficient firewalls
Identify unpatched systems and software flaws
Uncover weak encryption conventions

Web Application Security

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

Mobile Security Testing

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

Wireless Security Testing 

Identify and examine the connections between all endpoints and devices connected to your organisation’s Wi-Fi. 
Identify any vulnerabilities affecting your wireless infrastructure 
Understand how an attacker could move through your wireless infrastructure, escalating their privileges and compromise your corporate network 
Ryan Pullen
Head of Cyber Security
“Our cyber security analysts perform all offensive security testing engagements with the same industry best-practice testing methodology lifecycle – we call this our proven process.” 

The Stripe OLT proven process 

Looking for more information?

Some of the most common questions we are asked by IT leaders…

What type of companies need penetration testing? 

Penetration testing can be beneficial for organizations of all sizes and in all industries. Here are a few types of companies that may particularly benefit from penetration testing:

  1. Financial Institutions: Financial institutions handle sensitive customer information, including personal and financial data, making them a prime target for cyberattacks. Penetration testing can help identify potential vulnerabilities in their systems and networks, allowing them to take action to mitigate risks.
  2. Retail Companies: Retail companies handle large amounts of sensitive customer data, including credit card information, making them an attractive target for cybercriminals. Penetration testing can help retailers identify and fix vulnerabilities before they are exploited.
  3. Healthcare Organizations: Healthcare organizations hold vast amounts of sensitive patient data, including medical records and personal information. Penetration testing can help these organizations identify and address security weaknesses in their systems and networks, ensuring that patient data remains protected.
  4. Government Agencies: Government agencies often hold sensitive information, including classified data, and are a target for nation-state actors and other malicious actors. Penetration testing can help these agencies identify and address vulnerabilities in their systems and networks, helping to protect critical information.
  5. Technology Companies: Technology companies, including software and hardware manufacturers, develop and maintain complex systems and networks that are critical to their operations. Penetration testing can help these companies identify and fix security weaknesses in their products and infrastructure, reducing the risk of data breaches and other security incidents.

These are just a few examples of the types of organizations that may benefit from penetration testing. In general, any organization that stores, processes, or transmits sensitive information should consider performing regular penetration tests to help ensure the security of their systems and networks.

IS penetration testing an important aspect of ISO 27001? 

Yes, penetration testing is considered an important aspect of the information security management system (ISMS) specified in ISO 27001. The standard requires organizations to regularly assess the security of their systems and networks, and penetration testing is one of the recommended methods for doing so.

ISO 27001 requires organizations to implement and maintain a risk management process, and penetration testing is used to identify and evaluate potential risks to the confidentiality, integrity, and availability of information. The results of penetration testing can then be used to inform risk management decisions and to improve the overall security of the organization’s ISMS.

It is important to note that ISO 27001 does not specify how often penetration testing should be performed, or the specific methods that should be used. Rather, it leaves these decisions to the discretion of the organization and its risk management process. However, it does require that organizations regularly review and assess the effectiveness of their ISMS, including the results of penetration testing, and make changes as necessary to improve security.

What does it mean to be crest accredited for penetration testing?  

CREST Accreditation for Penetration Testing is a certification program that provides assurance to organizations and clients that the accredited company or individual has demonstrated a level of competence and professional integrity in conducting penetration testing.

Penetration testing is a simulated attack on a computer system, network, or web application, carried out to identify security weaknesses and vulnerabilities. CREST Accreditation is a globally recognized standard for professional penetration testing and is awarded to companies and individuals who have demonstrated the necessary technical and professional skills, knowledge, and experience in this field.

By choosing a CREST Accredited Penetration Tester, organizations can be confident that they are working with a trusted and competent professional who is committed to conducting ethical and professional testing services.

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