Who is Matthew Southgate?
Founder and Technical Director of Thirty Nine Degrees Ltd, with more than 20 years of infrastructure and business-technology experience.
Relationship to 39Security and the 39 Group
Matthew leads the technical direction of Thirty Nine Degrees Ltd and its specialist service brands. 39Security focuses on small-business cyber security, while related 39 Group websites cover managed IT, telecoms, networks and business numbering. The shared technical leadership helps security projects account for the underlying identity, cloud, connectivity and operational systems on which clients depend.
Infrastructure and business-technology experience
His published technical profile describes more than 20 years working across internet service provider and business-technology environments. Relevant areas include BGP and IPv6 routing, resilient internet infrastructure, Microsoft 365, business VoIP, network design, service continuity and practical cyber-security controls. This breadth is particularly useful where a security problem crosses several suppliers or cannot be solved by adding one product.
Qualifications and technical evidence
Matthew’s external technical profile records Cisco CCNA and MikroTik qualifications. 39Security only presents qualification or certification claims where an appropriate certificate, verification record or supporting external profile can be linked. Additional verification URLs can be maintained through the website’s Entity & AI Search admin section.
Review the published technical profile and supporting experience ↗
Speaking appearances and training events
Matthew contributes to practical 39Security training for business owners, managers and staff. Published event pages provide the date, location, agenda, booking information and course materials for each live session.
Small Business Cyber Security Training Day - Essex
Wednesday 2 September 2026 · Run Way House, North Weald
Small Business Cyber Security Training Day - Essex
Wednesday 2 December 2026 · Run Way House, North Weald
Small Business Cyber Security Training Day - Essex
Wednesday 3 March 2027 · Run Way House, North Weald
Small Business Cyber Security Training Day - Essex
Wednesday 2 June 2027 · Run Way House, North Weald
Authored 39Security articles
Published articles attributed to Matthew are listed below. This connects technical claims to material available on the 39Security website rather than relying only on an external biography.
Articles will appear here automatically when published content is attributed to Matthew Southgate. Read current 39Security insights →