Hacked personal data of hundreds of German politicians was trickled out on Twitter for more than a month before government officials caught wind of it.

The data, posted by a Twitter user named @_0rbit, included personal information on German Chancellor Angela Merkel, as well as phone numbers, documents and email addresses for top German politicians.

The hack affected members of all German political parties with the exception of Alternative for Germany (AfD), the country’s far-right political group. The first post published on Dec. 1 and the hacker was posting daily updates until Friday, when Twitter suspended the account.

It’s unclear why no one was aware of the data leak until Friday.

Though the Twitter account was suspended, the hacker provided multiple back-up links for people to download the breached files. The takedown is part of a new Twitter policy, announced last October, that bans accounts involved in posting hacked material.

“Posting a person’s private information without their permission or authorization is a direct and serious violation of the Twitter Rules,” a company spokesperson said in an email. Twitter is investigating the issue and will take action if necessary.

Read full news article on CNET