Access to the control panel was obtained by decision of malfunctions and errors, this followed the export of all projects attachments, namely, data in the HTML format with screenshots. They have a lot of data to various admin panels, ftp access, server log files and etc.
What to do with it? You can do a lot of things, for example, find the admin panels of their clients as well as databases and accesses.
There is a lot of information and it's up to you.
