Over 5,000 Dropbox accounts have been hacked, and the attackers only needed an email address

A bug in Lenovo's ID verification system made it possible to access Dropbox accounts, but the bug has since been fixed.
Decrypt

Dropbox Security Breach: Hackers Access Accounts Through Authentication Flaw

Attackers reportedly registered Lenovo IDs using victims’ email addresses, allowing them to sign into existing Dropbox ...
Cybernews

Hackers breach 5,000 Dropbox accounts using only victims’ email addresses

A Lenovo flaw let hackers access accounts without passwords in Dropbox Lenovo breach; Dropbox says logs show no file ...
The Next Web

Dropbox says 5,000 accounts were breached through a Lenovo login

Attackers registered Lenovo IDs using victims’ email addresses and walked into Dropbox accounts without a password. None had ...

Dropbox breach seemingly caused by egregious authentication failure [U]

Multiple Dropbox users have been emailed by the cloud storage company to advise them that a security breach saw ...

Dropbox accounts breached through Lenovo email verification flaw

Dropbox is warning some users that an unauthorized party accessed their accounts by exploiting a flaw in Lenovo's email ...
Bitdefender

How a hole in Lenovo's login system let hackers walk into 5,000 Dropbox accounts

If you ever linked your Dropbox account to a Lenovo ID - perhaps to make life easier when logging in via a Lenovo laptop - you might want to take heed.