EBay Inc. on Wednesday asked the 145 million registered users of its namesake marketplace to change their passwords following a cyberattack that compromised a database containing encrypted passwords and other data.

The exposed database didn't include financial data, eBay said. Passwords for users of eBay's PayPal payments network weren't exposed, a spokeswoman said. However, some PayPal users may use the same name and password combination they use on eBay.

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