We help organisations reduce their cyber attack exposure by providing effortless cyber security

Our Story

Intruder was founded in 2015 to help solve the information overload crisis in vulnerability management. Having worked both as an ethical hacker for tier one companies, and for blue teams defending critical national infrastructure, Founder Chris Wallis noticed that while vulnerability management tools were great at finding issues, they were less useful when it came to prioritising them, tracking them, and timely alerting when problems arose. Quite simply - the most important issues were often getting lost in the noise.

Intruder's mission from day one has been to help divide the needles from the haystack, focusing on what matters, while ignoring the rest. Effective cyber security is about getting the basics right. Intruder helps you do that, saving time on the easy stuff, so you can focus on the rest.

Since its inception in 2015, Intruder has been awarded multiple accolades, was selected for GCHQ's Cyber Accelerator, and is now proud to have over a thousand happy customers all over the world.

Get to know our leadership team

Chris Wallis
Founder & CEO
Over a decade experience in cyber security. Worked for big four consulting and international finance organisations. Has advised numerous FTSE 100 companies on cyber security.
Patrick Craston
CTO
Expert domain knowledge from a decade of working in cyber security, previously as head of software development at one of the UK's leading cyber security agencies. PhD Computer Science specialising in artificial neural networks.
Andy Hornegold
Product Lead
Cyber security pro with over a decade in threat emulation and consulting, advising customers in every industry vertical. Previously Assurance Regional Lead at one of the UK's leading consultancies, and EU Red Team Lead at Mandiant.
Dewi Gonzalez
Design Lead
Dan Andrew
Head of Security Services
Sam Gillon
Head of Sales
Olya Osiagina
Head of Digital Marketing
Lefteris Nikoltsios
Lead Software Engineer

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