Campaign staffers working on the presidential campaigns of Donald Trump and Joe Biden have been targeted with online attacks coming from Iran and China respectively, Google said, in a sign that the meddling four years ago in the U.S. presidential election by Russia could be pursued more widely this time.
Google said Thursday that the staffers were targeted with so-called phishing attacks that often are an attempt to gain access to online email accounts. They raise the specter of a repeat of the 2016 campaign, during which…