The US watched Russians hack France’s computer networks during the presidential election – and tipped off French officials before it became public, a US cyber official has told the Senate.France’s election campaign commission said on Saturday that “a significant amount of data” — and some fake information — was leaked on social networks following a hacking attack on Emmanuel Macron’s successful presidential campaign.  France’s cybersecurity agency is investigating what a government official described as a “very serious” breach. The leak came 36 hours before the nation voted Sunday in a crucial presidential runoff between Macron and far-right candidate Marine Le Pen.(guardian)…[+]