I am Jason Kalwa

Penetration Tester, Cyber Security Expert, Head of Red Teaming, Ethical Hacker, Security Professional, Leader

Name: Jason Kalwa

Profile: Cyber Security Lead

Email: jason@jasonkalwa.com

Phone: +44 (0) 2071 758 505


Infrastructure Penetration Testing 90%
Web Application penetration Testing 75%
Mobile Application Penetration Testing 70%
Red Teaming 85%
Wireless Penetration Testing 90%
Social Engineering 85%
Training 80%
Presenting 90%
Reporting 95%
Consulting 98%
About Jason

Jason is a infrastructure NCSC CHECK Team Leader who leads the UK/EMEA operations for the Threat and Vulnerability Management Teams, as well as heading up the UK Red Team (Strikeforce) for DXC. Jason specialises in penetration testing and has extensive experience in testing specialist projects and infarstructure.

Jason possesses over ten years’ experience with particular strength in system and network penetration tests as well as thick and web application testing. Jason has performed multiple tests on complex weapons systems, access control systems, RFID systems as well as unmanned underwater vehicles. Recently, Jason has been pursuing the IoT space and is working towards becoming comfortably proficient at reverse engineering and embedded testing. Jason has proven experience in managing and motivating of himself and others to achieve objectives across many organisations up to and including UK MoD, UK Government, and NATO.

Jason is an enthusiastic and approachable individual with excellent leadership and interpersonal skills, with an inherent ability to work well under pressure and to strict project or service level agreement deadlines. Jason is well practiced in working as part of the military chain of command through NATO deployments, and familiar with military culture, policy and communication across several varying nationalities. Consistently demonstrates the ability to work as an individual or as part of a team to achieve desired results.


Not the exhaustive list, but the highlights and most valuable.


Ran multiple penetration testing teams for industry leaders with team sizes of up to 40 UK based consultants. Mentored, trained, and assisted colleagues on passing CHECK Team Member and Leader equivalent examinations.

Problem Solving

Naturally curios, determined to understand things, and a drive to succeed ensure that problem solving comes naturally. This is especially useful in security and technical environments where challenges are often exceptionally difficult.


Fantastic written and communication skills. Comfortable talking technically with geeks, as well as strategy and business with C-Level executives. Previously presented at multiple events and conferences on Cyber Security and Penetration Testing.


Mentoring, coaching, and development of cyber and business skills for consultants. Educates businesses on cyber security risks as well as how to improve their cyber security. Assessors examinations for The Cyber Scheme.

delivers on promises

Consistently delivers on promises to clients and colleagues alike. Always ensures client satisfaction is maximised, goes above and beyond to ensure that client trust is in place when delivering sensitive security focussed work.

Business Focussed

Make a promise, keep a promise. This simple mantra is often forgotten in the security industry, but in putting it first and foremost every day, excellence is achieved. When delivering cyber security consultancy, business focus is always maintained.


Years CHECK Team Leader






NATO Medals