We confirm that this incident did not result in any data leakage or customer information leakage. The attacker issued a ransom demand, but we clearly rejected it based on our security policy and ethical stance.
If I may ask, what kind of customer information are we talking about here?
What customer data do you collect and store that could be compromised, since you do not have the option to register on the site?
How long are cookies from your site kept? I still have a log of a conversation with support from a few days ago.