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11/07/2026 8:41 pm
TL;DR: UK construction is in attackers’ sights, and the sector’s exposure is framed as a mix of resilience, supply chain, and compliance pressure, according to SentinelOne. The finding matters because operational disruption in construction often propagates through contractors, projects, and critical infrastructure dependencies faster than teams can recover.
NHIMG editorial — based on content published by SentinelOne: Building Up to Code: Cybersecurity Risks to the UK Construction Sector
Questions worth separating out
Q: What breaks when contractor access is not tied to project lifecycle controls?
A: Access drift becomes the default failure mode.
Q: Why do construction supply chains increase cyber risk for identity teams?
A: They multiply the number of identities, systems, and offboarding events that must be governed.
Q: How do security teams know if third-party access controls are actually working?
A: Look for three signals: every external identity has an owner, every elevated account has an expiry or review trigger, and dormant access is removed quickly after milestones.
Practitioner guidance
- Inventory contractor and supplier access paths Create a single register of every external identity that can reach project systems, collaboration tools, remote support channels, and shared repositories.
- Tie elevated access to project milestones Make privileged access temporary by default and link it to specific delivery stages such as mobilisation, commissioning, maintenance, or handover.
- Separate shared operational access from named identities Eliminate shared contractor logins where possible and require named accountability for elevated or vendor-managed access.
What's in the full report
SentinelOne's full report covers the operational detail this post intentionally leaves for the source:
- Sector-specific risk breakdowns for UK construction environments and the attack paths most relevant to contractors and suppliers.
- Practical resilience guidance for organisations that need to align cyber controls with compliance and business continuity.
- Context on cyber risk management and maturity model tiers that help teams assess where controls are weakest.
- Discussion of how product vulnerabilities and supply chain weaknesses affect critical infrastructure-adjacent organisations.
👉 Read SentinelOne's report on cybersecurity risks to the UK construction sector →
UK construction cyber risk: what should security teams prioritise?
Explore further
11/07/2026 9:08 pm
Supply chain identity is the hidden attack surface in construction. Construction firms rarely fail because a single control is absent. They fail because many small access decisions accumulate across contractors, suppliers, and project handovers until no one can say who still has legitimate reach. That is an identity governance problem first and a sector resilience problem second. The control lens should include offboarding, entitlement scope, and third-party accountability, not only perimeter security.
A question worth separating out:
Q: Who is accountable when a supplier account remains active after handover?
A: Accountability should sit with the system owner and the business sponsor who approved the access, not with the supplier alone. Effective governance assigns ownership, review cadence, and revocation authority inside the consuming organisation so third-party access cannot survive without an internal control point.
👉 Read our full editorial: UK construction cyber risk exposes supply chain and resilience gaps
