Online deals firm LivingSocial said it has experienced a cyber-attack on its computer systems, which may have affected over 50 million customers globally.
LivingSocial said that attack resulted in unauthorised access to some customer data from its servers and said it is now working with law enforcement to investigate the issue.
The company said the database that stores customer credit card information was not affected or accessed.
LivingSocial urged users to create a new password, even though the existing password might be difficult to decode.
LivingSocial spokesman Andrew Weinstein was quoted by Reuters as saying that a "substantial portion" of the company’s customer base was affected.
Weinstein said the company is also contacting customers who closed accounts, because it still has their information stored in databases.
He added that the attack hit customers in the US, Canada, the UK, Ireland, Australia, New Zealand, Malaysia, Southern Europe and Latin America while Customers in South Korea, Indonesia, Philippines and Thailand were not affected.
Based in Washington, D.C., LivingSocial was founded in 2007 and now has over 70 million members worldwide.
