Digital twins: secure design and development
Summary
A digital twin is a virtual model of an object, system or process that mirrors its real-world counterpart via a two-way flow of right-time data. The technology promises faster development, greater efficiency and cost savings across sectors such as water, energy, health and defence. But it also brings substantial cyber risks: enlarged attack surfaces, concentrated operational data that’s attractive to adversaries, increased sensor-based entry points and the potential to corrupt data with real-world consequences.
The NCSC notes it has not published bespoke guidance for digital twins, but points practitioners to several existing NCSC collections that are directly applicable: data security, cloud security (including cloud-hosted SCADA), secure AI system development, connected places security principles and zero trust architecture. Combining these resources helps teams build digital twins securely from the outset.
Key Points
- Definition: a digital twin is a virtual model linked to its physical counterpart by a two-way flow of right-time data.
- Benefits include faster product development, improved operational efficiency and reduced costs across critical sectors.
- Main risks: larger attack surface, valuable data flows that could be exfiltrated, sensor endpoints as intrusion vectors, and the ability to cause undesired physical effects by corrupting data.
- AI is often necessary to unlock full twin capabilities but introduces its own cyber-security challenges.
- NCSC recommends applying existing guidance sets — data security, cloud/cloud-SCADA guidance, secure AI development, connected places principles and zero-trust design — when designing and operating digital twins.
Why should I read this?
Short and sharp: if you’re building, planning or operating a digital twin, this blog saves you the time of hunting through NCSC content. It flags the real-world risks and points you straight to the practical NCSC guidance to lock things down before someone else finds the holes. Read it so you don’t learn the hard way.
Source
Source: https://www.ncsc.gov.uk/blog-post/digital-twins-secure-design-development
Original author: Adam A, Lead Researcher – Cyber Physical. Published 2 September 2024.