After the US attacked Iran, the US terror threat alert system issued a warning.

According to Jinse Finance, CCTV News reported that on June 22 local time, the U.S. Terror Threat Advisory System issued a warning stating that the threat environment faced by the U.S. has intensified following its attack on Iran. The announcement did not mention any specific current threats but warned that hacker groups might launch cyberattacks against the U.S. It also pointed out that the ongoing conflict with Iran could inspire violent extremists and hate criminals to attempt attacks. Additionally, CNN reported that two military analysts stated that due to Israel's attacks weakening Iran's military capabilities, Iran may adopt asymmetric measures to retaliate against the U.S.