“It’s only the web page that isn’t working, the hacking does not impact trading as the stock exchange’s web page is not connected to trading platform,” said Jiri Kovarik, spokesman for the Prague Stock Exchange, which is owned by the Vienna Stock Exchange-controlled CEE Stock Exchange Group. The hackers appear to using a distributed denial of service (DDoS) attack which inundates servers with digital requests, said Marek Petrus, central bank spokesman. According to available information, the attacks didn’t jeopardizing financial accounts at any of the banks or the stock exchange, Mr.