Shouldn't you have cyber experts there before you start posting market moving sensitive files on websites?

I mean, you don't need to be an expert advisor, do you, really?

> The BBC was able to access the PDF version of the OBR's key report at 11:45 on Wednesday by replacing the word 'March' with 'November' in the web address of a previous edition.

Simple URL prediction. You don't really need the former head of the NCSC to provide some suitable suggestions for this not happening again.