Earlier quoted context omitted.
File a small claim for damages up to 10,000 to 20,000 USD depending on your local statues. It’s actually pretty quick and easy. They cannot defend themselves with lawyers, so a director usually has to show up.
Do small claims apply to things like this where damages are indirect?
I’d run a PnL, get average daily income from visitors, then claim that loss as damages. In court I’d bring a simple spreadsheet showing the hole in income as evidence of damages.
If there were contractors to help get the site back up I’d claim their payments as damages and include their invoices as evidence.