The short version
- A power failure at a Google facility in London disrupted services for Royal Mail, Revolut, HSBC, Lloyds Bank, and the NHS app.
- Court hearings across England and Wales were delayed due to issues with the Cloud Video Platform used by HM Courts and Tribunal Services.
- Experts warn that reliance on a few large technology companies creates systemic risks, especially as these firms increasingly use AI for code management.
A power failure at a Google data center in London triggered significant disruptions across multiple sectors of the UK economy on Monday. The incident affected critical services including banking applications, postal operations, and healthcare digital platforms. While the scale of the disruption was contained compared to previous global outages, it underscored the vulnerability of systems dependent on centralized cloud infrastructure.
The outage occurred within Google’s europe-west2-b zone, one of several regions the company operates in Europe. According to user reports submitted to Downdetector, the issues peaked around 9 a.m. and began resolving by mid-afternoon. Affected organizations included Royal Mail, Revolut, HSBC, and Lloyds Bank. Patients also reported temporary glitches with the NHS app, highlighting the reach of the disruption into public health services.
Revolut confirmed that multiple services experienced interruptions but assured customers that their funds and data remained secure. Lloyds Bank stated that its main application was functional, though some users encountered difficulties with specific online features. These partial failures illustrate how even localized infrastructure issues can create fragmented service availability for consumers relying on digital banking tools.
Government operations were also impacted. HM Courts and Tribunal Services acknowledged problems with the Cloud Video Platform, which supports remote hearings across England and Wales. The agency stated it was working with technology partners to restore functionality. This disruption forced delays in scheduled legal proceedings, demonstrating how judicial processes have become intertwined with commercial cloud providers.
Experts point to this event as evidence of growing risks associated with the concentration of digital infrastructure among a small number of large technology firms. Michał Woźniak, an internet infrastructure specialist, noted that these companies have become so embedded in daily digital life that alternatives seem impractical. He described the situation as unreasonable given the potential for widespread economic and social disruption when these systems fail.
The incident follows a similar but larger outage last year involving Amazon Web Services, which affected users globally. That event was caused by a software bug rather than a power failure and resulted in extended downtime for services ranging from gaming platforms to smart home devices. The comparison highlights different failure modes within cloud infrastructure, from physical power issues to software automation errors.
Concerns are mounting regarding the role of artificial intelligence in maintaining these systems. Google announced earlier this year that 75% of new code is now generated by AI and approved by engineers. Woźniak questioned how this shift impacts service reliability, noting that previous AWS outages were linked to internal AI tools adopted after significant staff reductions. The integration of AI into critical infrastructure maintenance introduces new variables in system stability.
British police forces store sensitive data on Microsoft’s Azure cloud, exposing information to potential risks from outages and unauthorized access. Up to 60% of UK government infrastructure relies on cloud services provided by Amazon, Microsoft, and Google. This heavy dependence means that failures at any single provider can have cascading effects across public services, raising questions about long-term security and resilience strategies.
As digital services become more essential, the physical reality of supporting infrastructure remains a critical concern. The London outage serves as a reminder that virtual systems depend on tangible assets like power grids and data centers. Ensuring redundancy and diversification in cloud providers may be necessary to mitigate future disruptions, though the current market structure favors consolidation among a few dominant players.
Moving forward, stakeholders must evaluate the trade-offs between efficiency and resilience in digital infrastructure. The incident highlights the need for robust contingency plans and potentially regulatory measures to address systemic risks. Until then, society remains vulnerable to the operational failures of companies that underpin much of modern economic and social activity.
Sources behind this briefing
Go to the original reporting
- The Guardian World↗Power outage at Google datacentre in London causes widespread disruption
