Peter founded First Base Technologies in 1989 as a vendor-independent consultancy. He has hands-on technical involvement in the firm on a daily basis, working in areas as diverse as penetration testing, social engineering and skills transfer. He also leads regular technical seminars on ethical hacking techniques and identity fraud.

Peter is a world-renowned security evangelist, speaking at conferences and seminars on ethical hacking techniques and social engineering. He has appeared in documentaries for BBC television, provided commentary on security issues for TV and radio and written many articles on a variety of security topics. He has also been rated the British Computer Society's number one speaker. Peter serves on the ISACA conference committee for the Information Security Management Conference and Network Security Conference in both the US and Europe, as well as speaking at both events.

Peter is a Fellow of the British Computer Society and a Chartered IT Professional. He is a member of the BCS Register of Security Specialists and a CISSP. He is also a member of ACM, BCS-IRMA, BCS-ISSG, F3, IEEE, IISP, IMIS, ISACA, ISSA and Mensa.