In 2004 he founded award winning consultancy Securability, which included spending two years leading the online non-functional testing team at BSkyB on the largest CRM implementation project in Europe. As a director and Chief Research Officer of the Honeynet Project, David is also an active computer security researcher and regularly presents to government, military and law enforcement agencies in both the UK and US. At Isotoma David leads the technical team which built the technical infrastructure for the challenge streaming event.
Noong 2004 binuo niya ang award winning na consultancy na Securability, at kasama ang dalawang taon nang pamumuno sa online non-functional na koponan sa pagsubok sa BSkyB sa pinakamalaking CRM na implementasyong proyekto sa Europa. Bilang direktor at Chief Research Officer ng Honeynet Project, si David din ay aktibong computer security researcher at regular na naghahandog sa gobyerno, militar at mga ahensiya sa pagpapatupad ng batas sa UK at US. Sa Isotoma si David ang namununo sa teknikal na koponan na gumawa ng teknikal na imprastraktura para sa streaming na kaganapan ng hamon.