ISS Global / Investigation Report
UK infrastructure outages
Air traffic control, banking and Google Cloud — testing the links
- Issued
- Location
- United Kingdom, with Irish, German, Spanish and Portuguese comparisons
- Main incident dates
- 8 and 21 September; 20 October 2026, with separately dated historical comparisons
- Language
- English
- Document
- 13 pages · PDF · 0.9 MB
A comparative investigation of UK air traffic control failures and cloud-dependent banking disruption. It examines documented dependencies and European precedents, distinguishing a supported cloud-service cascade from separate aviation faults. The reviewed record does not establish a coordinated hostile operation.
Original report cover · Open PDF ↗Scope & reporting context
Review window: 8 September–20 October 2026; evidence cut-off: 21 October 2026, 08:06 BST (07:06 UTC). Includes event reconstruction, causal-evidence testing, malicious-activity indicators, historical aviation and power comparisons, investigative priorities and linked sources. Geographic reference markers do not identify individual facilities or prove shared infrastructure. This is a selected comparison rather than a statistical survey of European outages.
The complete PDF contains the report’s source register, assessments and limitations. Read those alongside any individual finding.