Website hacked, now what?

For functioning and for security, it is important to keep software up-to-date. Websites based on a Content Management System also run on software. You also need to keep those up-to-date.

But what do you do if your website gets hacked anyway?

Peter tells how in October one of his websites was hacked via a zero-day security issue. What he did to find the cause. And how that eventually resulted in a Security Release for his CMS used.