Angry Birds maker Rovio has lost more than half its value since going public in October. Its shares plunged Thursday after it warned revenue and profits could fall this year.
In a bid to cripple spam bots on its platform, Twitter says users will not be allowed to post identical or substantially similar content across multiple accounts at once.
A Donald Trump supporter who unwittingly helped a Kremlin-linked operation to meddle in American politics says he only learned of his part in the Russian plot when the FBI showed up at his doorstep months later.
Cybersecurity experts at FireEye expect "very aggressive" activity soon by a North Korean group of hackers who have been spying on South Korea's biggest multinationals.