World leading security experts
Claranet Cyber Security is the global cybersecurity services division of Claranet Group which has over £440m annualized revenue, over 10,000 business customers and 2,500 staff across a dozen countries.
With the acquisition of NotSoSecure in 2018, and Sec-1 in 2017, we are a recognized provider of Penetration Testing, Managed Cybersecurity Services and ethical hacking training, being one of the largest training providers at Black Hat around the world.

Application security by design
Introducing security into your software development
Our experts will help you integrate the right tools into your software development environment and help you build security into your applications by design. We provide DevSecOps Training and SDLC security consultancy services.
Our customers say...
We are very pleased with their service, pricing and their flexibility.
-- A large software service provider.
We hack. We teach. We protect.
We are trusted for our research into the very latest cybersecurity threats and this knowledge continually informs all our cybersecurity services. What we learn from testing in the field feeds into our training and vice versa. It's mutually beneficial. Check out our technical blog to see our latest research.
Our accreditations






