With 25+ years' experience in cybersecurity services and training for the biggest brands across the globe, Claranet Cyber Security combines the expertise of Sec-1 and NotSoSecure. Our world-leading security experts are at the cutting edge of capability, yet engage in a friendly and outcome focused way to become an extension of your team.

The expertise you need to keep your business safe and secure

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Cyber Security engineers with defensive, offensive, and auditing capabilities.


Certification coverage across the team, including CREST, Tiger, and OSCP.


Microsoft certifications held across secure architecture, engineering, and Detection & Response.

We hack. We teach.

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.

Meet the team who live and breathe cybersecurity

We help some of the world’s largest companies stay secure, and taught nearly 500 security professionals at Black Hat’s premier Las Vegas event this year. Hear directly from the Claranet Cyber Security experts.

Book a 1-2-1 consultation

Speak to our team, develop your knowledge, and confidentially discuss your security challenges via a no-commitment 1:1 consultation. Whether it's a specific solution you need more information on or a question you can't find an answer to, we're here

Contact us today by leaving us a message in the contact form and a member of our team will be in touch soon.

Tel: 0330 390 0504

Our accreditations and partnerships

iso 9001 accredited
iso 14001 accredited
iso 22301 accredited
iso 27001 accredited
iso 27017 accredited