US defense firms must ‘remain vigilant’ against Iranian cyber activity, agencies warn

U.S. federal agencies (CISA, FBI, NSA, and DC3) issued a joint advisory stating there is no current evidence of a coordinated Iranian cyber campaign in the U.S., but geopolitical tensions elevate the risk of opportunistic targeting against critical infrastructure, particularly defense contractors with ties to Israeli organizations; the advisory urges heightened vigilance while noting that broader cyber risks—such as those from China—remain a priority.