David Viola is Head of Red Team at Prism Infosec, where he leads advanced adversary simulation services for clients in highly regulated sectors. With over a decade of experience in cybersecurity, he has deep expertise in infrastructure penetration testing, red teaming, and incident response.

David has held senior positions in both government and private industry, including roles at QinetiQ and Nettitude (now LRQA). He has advised the UK Cabinet Office on cybersecurity testing for central government, served as a CHECK Technical Assessor for the NCSC, and currently acts as a CREST Assessor for the CREST Certified Red Team Manager (CCRTM) exam.

Recognised by regulators as a subject matter expert in red teaming, David has delivered complex engagements for critical infrastructure and financial services clients. He also shares his expertise through industry speaking engagements, including BSides London (2024) and BSides Birmingham (2025), and contributes regularly to thought leadership initiatives.