London, May 23 - Online marketplace eBay is facing backlash over its handling of a hack attack that exposed millions of passwords and other data.

The American multinational had promised a feature obliging members to reset passwords when they next logged in has not yet been made available.

According to the BBC, instead the site has added a notice to its homepage, simply recommending users to update passwords 'as a first step'.

Security experts said its reaction raised 'serious questions'.

eBay said that customers are concerned, and want them to fix the issue straight away, adding that the company was working hard to do just that.

It added that the company's first priority was and always has been to protect its users' information and ensure to correctly deal with the technical challenges.

The company said that other steps, including email notification, will follow, and it will ensure all eBay users have changed their passwords over the coming days.

The Californian-based company, which has 128 million active users, revealed that a database had been hacked between late February and early March.

The attackers had accessed a database containing encrypted passwords and other data after obtaining a small number of employee log-in credentials, the firm disclosed, the report added. (ANI)