Iranian state-backed actors have sought to access senior US political figures’ email accounts and launched “covert news sites” aimed at US readers as part of an increase in disinformation and cyber-attacks ahead of the country’s elections, Microsoft has said. A group run by Iran’s Revolutionary Guards in June sent a spear-phishing email, or personalized hacking attempt, to a “high-ranking official of a presidential campaign” from the compromised email account of a former senior adviser, the Mic