 After Yushchenko won the presidential elections in 2004, Poroshenko was appointed Secretary of the National Security and Defense Council.In September 2005, highly publicized mutual allegations of corruption erupted between Poroshenko and Prime Minister Yulia Tymoshenko involving the privatizations of state-owned firms.Poroshenko, for example, was accused of defending the interests of Viktor Pinchuk, who had acquired state firm Nikopol Ferroalloy for $80 million, independently valued at $1 billion.