Proactive vulnerability management
for your most exposed systems

We keep a constant watch over your internet-facing systems.

Regular assessments

We regularly assess your internet-facing systems for weaknesses that hackers could exploit. We provide risk ratings for every weakness, and detailed guidance for remediation.

Perimeter specific results

Most vulnerability scanners are generic, if they see a database they'll raise it as a zero importance vulnerability, and it often gets overlooked. A database exposed to the internet is a serious weakness, we prioritise it along with hundreds of similar issues.


Emerging threat notifications

The time between new weaknesses being discovered and attackers exploiting them is now a matter of days, not weeks. When we find a newly discovered vulnerability that affects your systems, you'll get a notification the same day.

Low overheads

Don't spend your time managing the platform, Intruder is a proactive solution. No agents to install, no appliances to set up. Just tell us where your systems are on the internet, and we do the rest.

Simple, yet powerful

We bring together and combine the most powerful tools in the industry, to provide you with peace of mind.

Banking-grade vulnerability scanning

We aren't reinventing the wheel. We use the same underlying technology as the big banks do, so you can enjoy the same level of security, but with none of the complexity.


Effortless cyber-security

Everything we do at Intruder is designed to save you time. We are here to worry about your security, so that you don't have to.

Trusted by

What our customers say

"Designing and building a secure system is hard. Intruder frees me and my team to focus on our product and business, safe in the knowledge that Intruder is checking for mistakes and the latest vulnerabilities. It allows me to sleep better."
Al James, CTO
"Intruder provides an important service for maintaining the defensive posture of Cyber London's web presence. It's very satisfying that one of the companies to have passed through the programme have proved so useful to us, as I'm sure they will to many others."
Alex Van Someren, Founder
"We chose Intruder for their experience and deep knowledge, and because their solution helps us identify issues much faster than we could in the past."
Mark Bradbury, CEO
Apply Financial


We offer a range of plans, to suit everyone from startups to large corporates.

  • Essential
  • Starting from / month
    Monthly subscription plus a per-target fee
  • Scheduled monthly assessments
  • Checks for over 10,000 security vulnerabilities including WannaCry and Heartbleed
  • Up to 2 user accounts
  • Verified
  • Starting from / month
    Billed annually, plus a per-target fee
  • Everything from our Pro Plan, plus...
  • Hybrid penetration testing helps identify issues beyond the capabilities of automated scans

Our Credentials

Contact Us

Any questions? Don't hesitate to drop us an email, we'd love to hear from you.

Intruder Systems Ltd.
71-75 Shelton Street,
Covent Garden,

We're based in London in the United Kingdom, but we work for clients all over the globe. Contact us today to see how we can provide you with peace of mind.

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© 2018 Intruder Systems Ltd
Intruder is a trading name of Intruder Systems Ltd, a company registered in the United Kingdom with registered company number 09529593.

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