Cybersecurity firms have targeted U.S. government agencies, as well as sectors of the economy, including oil and gas, sending waves of spear-phishing emails, they say. Security firms say tensions have grown between the two nations, cybersecurity firms say. The attacks were conducted with approval from Trump administration, officials told AP. The AP has not been able to confirm the broad outlines of the strikes because they were not authorized to speak publicly about the operation. Iran has since been hit by multiple rounds of sanctions, Tensions spiked this past week after Iran shot down an unmanned US. military strike against Iran.”]