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Our team of cyber security specialists are qualified, certified and supported  with an average of fifteen years of industry experience of working on large security projects.

  • Headquartered in London

  • Supported by a team of 24/7 security analysts

  • Over 10,000 completed user projects

  • Over 5,000 secure servers designed

  • ISO 27001 accreditation for our Security Operations Centre (SOC) 



An average of fifteen years of experience each amongst our leadership team

Responding to evolving cyber threats since 2001

Solid project experience from working across multiple sectors

Experienced in large programmes ranging from £10m to £200m

OT and cyber security safety assurance case speciaist team


We welcome medium to large scale projects and have the breadth and depth of combined experience to manage assignments across multiple sectors.

iCyberDefence Leadership Team

Founder & Head of Consulting

Soumen has over 22+ years of security experience, and passion for information security. He led delivery of large information security transformation programme (circa £200m to £2bn). Soumen holds a Bachelor of Engineering (B. Eng.) degree in Electrical Electronics along with CISSP, CISM, CRISC, CISA, CSSLP. NCSC qualifications.

Soumen Paul

iCyberDefence Leadership Team

Head of Risk Management

Vince has over 20+ years’ experience in cyber security and information protection in both the public and private sectors and has been granted the UK’s highest level of Security Clearance. He has been a key security advisor to UK Financial Conduct Authority (FCA) and Open Banking Project. He is also a member of the UK’s Information Assurance Advisory Council (IAAC).

Vince Warrington

iCyberDefence Leadership Team

Head of Security Compliance

Rachel has over 15+ years’ experience in information security and counter fraud. She is UK Government Security Cleared and holds National Police Vetting (NPPV3). She has been a key security advisor to UK Cabinet Office, Open Banking and National Police Chiefs Council. She has successfully delivered many national and international counter fraud and information security programmes for both public and private sector organisations. Rachel is a member of ISC2 and holds CISSP qualifications.

Rachel Gentry

iCyberDefence Leadership Team

Non-Executive Director, Advisor

Joy, an accomplished thought leader and CxO advisor, currently serves as the Global Lead at IBM's Natural Resources Industry Competency Centre. He demonstrates outstanding Executive Leadership in manufacturing, automation, operational efficiency, and digital and business transformation. This includes expertise in AI, Industry 4.0, OT, Design Thinking, Business Continuity & DR Strategy. Joy is a Chevening Scholar and has completed an executive management program at Harvard Business School. Joy holds a Bachelor's in Mechanical Engineering and a Master's in Management, contributing to value-driven industry engagements.

Joy Bhattacharjee

iCyberDefence Leadership Team

Non-Executive Director, Advisor

Madoc is an exceptional and innovative thought leader with 29+ years of experience in cloud, security, infrastructure, systems, network and telecom projects for global organisations across various industries. He helped many organisations successfully to drive technology adoption and digital transformation. Madoc holds CISSP, CCIEx2, AWSx8 and Azure qualifications.

Madoc Batters

iCyberDefence Leadership Team

Head of Project Management

Bob has 20+ years of experience in delivering large (circa £30m to £180m) programme, and complex infrastructure, enterprise application and cybersecurity projects in large global businesses e.g., BT, GSK, TfL, Boots, AstraZeneca etc. whilst leading a diverse global team. He is high performer and focused on client’s value. Bob is Prince2 practitioner and ITIL qualified professional.

Bob Chahil

iCyberDefence Leadership Team

Head of Application, Software Security and Technical Security Training

Dev has 20+ years of experience in business applications, software engineering and technical security training within large global organisations and government sectors. He has expert knowledge in secure software development lifecycle along with strong business acumen. Dev holds Master’s In software engineering from University of Oxford and Masters in Quantitative Finance from London Business School.

Debasish (Dev) Dutta

iCyberDefence Leadership Team

Head of Security Architecture

Aaron has over 20 years of experience in security/information architecture, security incident management, and security analysis, working in major global sports events (FIFA, Olympics), pharmaceuticals, the UK public sector, and financial and defence industries. He has led the delivery of large-scale cross-industry cybersecurity projects. Aaron holds a Bachelor of Engineering (B. Eng.) degree in Electronics and CISSP, ISSAP, CREST and NCSC CCP qualifications.

Aaron Shone

iCyberDefence Leadership Team

Head of Cyber Security Services

Diptesh has over 18 years of experience in enterprise IT infrastructure, managed security services and security operation centre. He heads cybersecurity practice at ACCEL Group and leads our managed security services function. Diptesh holds a Bachelor of Engineering degree in Electronics and Communication along with CISSP, CISM qualification.

Diptesh Saha

iCyberDefence Leadership Team

Head of Security Testing

James has performed a wide range of security testing including penetration tests, ICS/Drone testing and red team engagements over the past 16 years for both the private and public sector. He has helped develop multiple penetration testing practises and also helped assist in the training of technical resources and development of CREST services. James also helped developed the TigerScheme QST and SST process and technical evaluation. James spent many years training and consulting as a CHECK Team Leader for multiple practises and government agencies. This also includes auditing and verifying the skillsets of other organisation to perform CHECK engagements.

James Hinton


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