4 down
Modern
business
caught
up
in
catastrophe
(6)
Modern business caught up in catastrophe (6)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
You're after a modern business, the sort that lives online. For the wordplay, take CT (the abbreviation for caught) and flip it upside down because of "up", which gives TC. Then drop that into DOOM (catastrophe), splitting it between DO and OM, and you've built your dotcom.