Thomas Knowles
Head of Security Operations @ClearBank
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WORK HISTORY
Head of Security Operations @ClearBank
London, GB
Responsible for building and leading the Security Operations function, ensuring the bank’s resilience against a shifting threat landscape while meeting strict regulatory requirements.* Developed and delivered a long-term security strategy that moved the organisation from foundational capability to a mature, risk-led operation.* Provide regular reporting and advice to the Board and Senior Leadership Team on security risks, emerging threats, and the effectiveness of current controls.* Led the design and implementation of the bank\'s incident response frameworks, including regular testing with technical teams and senior management.* Manage the security budget and vendor ecosystem, ensuring technical solutions provide genuine value and align with the bank\'s risk appetite.* Leading the internal transition towards DORA compliance while maintaining existing standards across ISO 27001, SWIFT, CHAPS, and BACS.* Established a threat-led monitoring capability using the MITRE ATT & CK framework to ensure defences are prioritised against sector-specific risks.* Built and matured an internal team of specialists, reducing reliance on external contractors and improving the quality of operational delivery.* Defined the bank’s crisis management procedures, ensuring legal, risk, and communications teams are aligned through regular scenario-based exercises and tabletop simulations.* Act as the primary point of contact for security matters during regulatory audits and third-party assessments.
EDUCATION
University of Lincoln
Bachelor of Science, Computing
SKILLS
ABOUT THOMAS KNOWLES
Security leader with 16 years’ experience in the UK financial and enterprise sectors. I lead a security team focused on building and maturing functions within regulated environments, ensuring they meet compliance standards while supporting commercial needs. My work involves translating technical risk for business stakeholders, managing regulatory requirements, and contributing to the sales process. I move between high-level strategy and the day-to-day practicalities of the role, ensuring security is effectively integrated into the business.
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