Column 3 NewsUkraine Claims Russian Involvement In Its Biggest Ever Cyber AttackMariam GogolishviliJuly 2, 2017December 25, 2017 by Mariam GogolishviliJuly 2, 2017December 25, 201708142 The global attack of the extortion virus Petya on Tuesday struck IT systems of companies in several countries of the world, mostly affecting Ukraine, as well...