<ul data-eligibleForWebStory="true">Homeland Security issued a bulletin warning of Iran-backed cyberattacks on U.S. networks.The bulletin highlighted expectations of Iranian government-backed hackers targeting U.S. networks amidst U.S.-Israel-Iran tensions.Recent events included U.S. and Israeli air strikes on Iran's nuclear program and cyberattacks by a pro-Israel hacking group.Iran's history includes offensive cyber capabilities, espionage operations, and disruptive cyberattacks targeting various entities.