NATO needs to invest in an offensive cyber capability, according to former Deputy Secretary General of NATO Alexander Vershbow. "My own view is given the evolving nature of warfare, NATO would be tying one hand behind its back if it deprived itself at least of the option of cyber offense," Vershbow said during a Dec. 20 breakfast with reporters in Washington. This type of capability could help deter future cyber attacks, such as what U.S. intelligence agencies claim Russia conducted...