Cyber-attacks against the US by Iranian hackers have eased noticeably since the countries' landmark nuclear weapons accord, National Security Agency director Michael Rogers has said. Speaking at a House Intelligence Committee hearing on Thursday, the Wall Street Journal [paywall] reported him saying there had been “significant Iranian activity” related to cyber-attacks against US financial firms a couple of years ago. However, since nuclear negotiations with Iran picked up speed in 2014, “we saw less activity directed directly against us", he said. In April, the countries came to a landmark agreement over Iran's nuclear capabilities, preventing Iran from acquiring a nuclear...