In a statement on the eBay website, the company has said it has "no evidence of the compromise resulting in unauthorised activity for eBay users."
They also said that there has been "no unauthorised access to financial or credit card information which is stored separately in encrypted formats".
eBay has no evidence of unauthorized access to credit card or financial info of eBay users. More: http://t.co/as09EdsCBv
The firm did reiterate that changing passwords is a "best practice and will help enhance security for eBay users".
More top news
Here's everything you need to know about the Libyan crisis and the announcement of a new national unity government.
Russia will pay the price for launching air strikes to prop up the Assad regime, the US defence secretary has warned.
'Vote Leave' - a cross-party campaign calling for Britain to leave the European Union in the forthcoming referendum - has been launched.