• Modernize and harden your application, infrastructure, and cloud security.
  • Work with a trusted partner who undertakes advanced security testing for leading worldwide organizations.
  • Upskill your teams with our NotSoSecure training - one of the leading training providers at Black Hat conferences.
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World leading security experts

Claranet Cyber Security is Claranet's global cybersecurity services division with over 10,000 business customers and 2,500 in-house practitioners across a dozen countries. Partner with a world leader in cybersecurity training and testing so you can keep pace with the latest changes in both the technology and threat landscape.

  • Penetration testing
  • Continuous security testing
  • Red Teaming
  • Purple Teaming
  • Threat Modeling
  • Training

Penetration testing

Personal approach and in–depth knowledge
With a 20 year legacy of penetration testing, when you choose Claranet Cyber Security, you're in safe hands. Our team of testers, all hired because of their exceptional skill, passion and dedication, become a trusted extension of your own team.

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Continuous security testing

Security Testing built for speed and continuity. Continuously uncover even the most complex vulnerabilities within your web facing attack surface of applications and systems.

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Red Teaming

Think like an adversary
Understand how effective your security controls are at protecting your critical assets and disrupting a motivated cyber attack with a targeted objective. Identify critical cyber risk and close your weaknesses through a real-time objective led cyber attack.

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Purple Teaming

Test and refine your defenses
Evaluate and improve the effectiveness of your detection and response capability through a real-time, objective-led attack that enables blue team to collaborate with red team specialiasts via a controlled show and tell cyber attack plan.

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Threat Modelling

Secure by design
Save time and money, and reduce critical risk by proactively mapping out the security threats facing your applications, data, and infrastructure platforms.

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NotSoSecure Training

Hands-on, lab-based hacking, taught globally
As one of the largest providers of training at the Black Hat conferences, our security training credentials are unmatched. All of our training is live, instructor based and available for remote delivery.

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We hack.

Continuous Security Testing


We hack.

Continuous Security Testing

  • Take your security to the next level
  • Testing that is fast, agile and reliable

Watch our CST in action video

Work with a recognized provider of Penetration Testing, Managed Cybersecurity Services, and ethical hacking training, and one of the largest training providers at the international Black Hat conferences.


Cybersecurity engineers with defensive, offensive, and auditing capabilities


Days of pentesting delivered every year


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

We teach.

Training you and your team

From secure coding and DevSecOps to penetration testing and cloud config reviews, take your cybersecurity proficiency to the next level and develop skills across the technology lifecycle. Hack to protect and play your adversaries at their own game.

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I have always been impressed with Claranet Cyber security Services’s advisory and penetration testing services as well as their ethical hacker training. Claranet Cyber security Services’s ethical hackers are highly-skilled specialists, use up-to-date methods, and transparent about their work. Trustworthiness, dependability, and quality all there in addition to the articulation of the risk without technical jargon. Claranet Cyber security Services has become a trusted partner for several years now; I would highly recommend them for cost-effective quality third-party penetration tests as well as ethical hacker training needs.

If you are a beginner or an advanced operator and want to up your game, this training is highly recommended. Labs were super fun

As both ethical hackers and industry recognized hacker trainers, we have always been impressed with Claranet Cyber security Services’s advisory and penetration testing services. NSS works with us in a timely fashion and ensures they uncover potential flaws which impose a significant risk to the business. The technical skillsets of these resources are commendable, the researchers contextualize information on test principles and articulate the risk in a way that layman’s of business can understand. Through their overall flexibility and professional approach, they have become a trusted partner in the Application Security program space.

Our accreditations

Cyber essentials
CEH Accreditation
CCISO Accreditation
CISSP Accreditation
CRISC Accreditation
OSCE Accreditation