OT Security Principal, e2e-assure
· Extensive experience in OT environments · Previous OT Engineer · Fellow of the British Computer Society · RAF · NCSC/CERT-UK · NATO · 25+ Years in Cyber Security
Years in Cyber Security
Fellow, British Computer Society
Senior Leadership Roles
Role
OT Security Principal, e2e-assure
Recognition
Fellow of the British Computer Society (FBCS)
Military
Royal Air Force
Government
NCSC/CERT-UK · NATO
Industry
Sophos · Claroty · FireEye · Carbon Black · LogRhythm
Alistair Macrae is OT Security Principal and leading OT specialist at e2e-assure. Alistair has extensive experience in OT environments, having previously been an OT engineer he holds more than 25 years experience across military, national, and commercial cyber security, with operational experience few in the industry can match.
His career spans more than 25 years across military, national, and commercial cyber security, with operational experience few in the industry can match.
It allows him to see how OT security fits inside the wider enterprise stack, not in isolation.
e2e-assure
He served in the Royal Air Force and held positions at NCSC/CERT-UK and NATO, working at the centre of UK and allied cyber defence. In the commercial sector, Alistair has held senior leadership roles at Sophos, Claroty, FireEye, Carbon Black, and LogRhythm, covering the full spectrum of endpoint, network, OT, and threat intelligence platforms. It allows him to see how OT security fits inside the wider enterprise stack, not in isolation.
Alistair was awarded a Fellowship of the British Computer Society (FBCS) in recognition of his contribution to IT and cyber security. He is a trusted advisor to C-level executives navigating complex cyber threats and is known for leading high-performing technical and incident response teams under pressure. At e2e-assure, he applies that depth of experience to the OT environments where the stakes for UK industry are highest.
01
OT and ICS threat detection
02
Incident response leadership
03
National cyber defence operations
04
Enterprise security strategy
Enquiries about speaking, advisory, media, or e2e-assure services.
