US authorities said Iranian cyberattackers had offered "stolen, non-public" material from Donald Trump's campaign to staff for his then-White House rival, Joe Biden.
The EU said its allies had shared "credible" intelligence that Iran had supplied Russia with ballistic missiles, a move Washington warned would be met with "significant consequences".
Meta said Friday it had warned US presidential campaigns to be wary after it discovered an Iran-linked hacking attempt using the WhatsApp messaging service.
Iran was behind a recent hack targeting Donald Trump's presidential campaign, US security agencies said on Monday, accusing Tehran of seeking to influence the 2024 election.
OpenAI said it had taken down accounts of an Iranian group for using its ChatGPT chatbot to generate content meant for influencing the U.S. presidential election.
Google on Tuesday confirmed that hackers backed by Iran are targeting the campaigns of US presidential rivals Kamala Harris and Donald Trump.