US intelligence community ramps up warnings of possible retaliatory attacks by Iran | CNN Politics

The US intelligence community has issued a flurry of private warnings in the past week to American companies and government agencies urging vigilance and the hardening of possible targets of cyber attack by the Iranian regime in response to the war with Tehran, according to national security sources and memos reviewed by CNN. While no specific or credible threat has been outlined, in one recent bulletin to US law enforcement agencies, the Department of Homeland Security warned of a heightened threat environment following the killing of Iran’s supreme leader, Ayatollah Ali Khamenei. US intelligence officials routinely send bulletins to law enforcement agencies across the country, sharing information on potential threats and best practices for protecting the public. Citing open-source intelligence, the DHS “critical incident note” said that “two top Iranian religious leaders issued separate Farsi-language fatwas calling on Muslims worldwide to take revenge for the killing” of Khamenei. “The fatwas, Iranian government rhetoric, and online messaging from regime supporters promoting retaliation against the US heightens the threat from violent extremists who support the Irani