The group, which claims to reach more than 3.3 million readers nationwide with newspapers include Berlin’s Morgenpost daily, said it was forced to publish reduced editions Wednesday. Readers would get full access to all of its content online for free, it added.
It wasn’t immediately clear why the company was targeted.
Last month, Denmark’s biggest news agency, Ritzau, was knocked offline for several days after hackers demanded a ransom to release locked data. The agency said it refused to pay.
Ritzau CEO Lars Vesterloekke couldn’t say how big the ransom demand was because those behind the “professional attack” had left “a file with a message” that the agency didn’t open following instructions from its advisers.