Although it stressed there is no evidence of a specific credible threat to the U.S. after the killing Iranian General Qasem Soleimani, the Department of Homeland Security Saturday issued a National Terrorism Advisory System Bulletin warning of retaliation, including cyberattacks.

Previous homeland-based plots by Iran and its partners “have included, among other things, scouting and planning against infrastructure targets and cyber enabled attacks against a range of U.S.- based targets,” the advisory said.

“Iran maintains a robust cyber program and can execute cyberattacks against the United States,” DHS warned, noting the country “is capable, at a minimum, of carrying out attacks with temporary disruptive effects against critical infrastructure in the United States.”

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