hlk_logo

"Moving to E5 has been really good from a security point of view... Now we can get a holistic view of what’s going on, which helps us to make changes and recommendations for future plans."

IT Service Manager
Ian Harkess
Trusted by industry leaders
NHS Confederation Logo

Kickstart Your FastTrack Journey

Fill out the short form below to express your interest in our FastTrack programme, and we’ll be in touch soon.

Please note: A minimum of 150 enterprise licenses is required for FastTrack eligibility.
ENQUIRY - Popup w/ Fasttrack for dark backgrounds (#28)

“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

Let's Talk

Call us on one of the numbers below, we cover the whole of the UK, so call the nearest office.

BriSTOL HQ & The South West

London & Surrounding Areas

Manchester & the North

“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
NHS Confederation Logo White

Request a Call

First we need a few details.

ENQUIRY - Popup w/ Captcha for light backgrounds (#21)
EXPERT

Toby Davenport

toby-davenport

Expert: Toby Davenport

Role: Penetration Tester

Specialises in: Offensive Security

About Toby Davenport

Toby is a Managing Cyber Security Consultant with a background in offensive security. Since joining Stripe OLT in 2022 as a Penetration Tester, he has built expertise in web application and API security, as well as red teaming engagements. Outside of client work, Toby is an active bug bounty hunter and security researcher, ranked in the top 10 on HackerOne programs and credited with multiple high-impact CVEs in widely used open-source software.

“Understanding how protections can be bypassed is just as important as implementing them.”
  • flyd-olrxnzxfbjo-unsplash
    Expert Intel

    The importance of proper filtering within web applications

    Many times, during software security testing (penetration tests), whitelisting and blacklisting are encountered, with testers trying to bypass the regex (regular expression). But, what is the actual process of identifying these characters that can bypass filters? How are new payloads formed? If you're looking for some technical, offensive security insights, you've come to the right place...
    October 23, 2025
  • CVE-2023-42439
    Expert Intel

    CVE-2023-42439: SSRF Vulnerability

    A CVE (Common Vulnerabilities and Exposures) is a standardised identifier for a specific security vulnerability in a software application, hardware device, or system. Our pen tester Toby takes you through this latest discovery - CVE-2023-40017.
    October 22, 2025
  • password
    Expert Intel

    Discovering CVE-2023-40017

    A CVE (Common Vulnerabilities and Exposures) is a standardised identifier for a specific security vulnerability in a software application, hardware device, or system. Our pen tester Toby takes you through this latest discovery - CVE-2023-40017.
    October 22, 2025
find us on Youtube

Unlock the secrets of cybersecurity, Explore our videos for expert insights and actionable strategies