The core data platform for NHS Test and Trace was not Excel based at all. It was a reasonably simple but solid AWS setup using S3, Glue and the smallest Redshift instance at the time, on top of which were Tableau/Quicksight/PowerBI dashboards. Some organisations insisted on enabling an "export to CSV" feature which was...not a good idea for so many reasons, and Public Health England (PHE) in the article found out one of those reasons the hard way.
The core data platform for NHS Test and Trace was not Excel based at all. It was a reasonably simple but solid AWS setup using S3, Glue and the smallest Redshift instance at the time, on top of which were Tableau/Quicksight/PowerBI dashboards. Some organisations insisted on enabling an "export to CSV" feature which was...not a good idea for so many reasons, and Public Health England (PHE) in the article found out one of those reasons the hard way.