“BE AFRAID AND prepare for the worst,” read a coded warning left by hackers after they targeted Ukrainian state databases on January 14th. A month later, a powerful cyber-attack paralysed services at two big banks and on the defence ministry’s website. On both occasions, Russia denied involvement. But the messaging was unsubtle, coinciding as it did with the presence of more than 150,000 troops on Ukraine’s borders. Do you think that Russia is behind Ukraine Cyber attacks ?

