[mrweasel]

Many banks still “shutdown” for hours every night to do backups.

[finiteseries]

I’m not anywhere near the banking industry but from HN alone I’ve been led to believe dailyish huge file transfers are also the norm in a variety of situations (aka SQLite’s backup strategy).

[ericlewis]

ftp or sftp if you're lucky - upload a giant CSV or receive one. It is crazy to me it still works this way.

[gryn]

and sometimes CSVs sent by mail on a set frequency (by a bot i'm guessing?)