U.S. Treasury Secretary Bessent Announces New Sanctions Against Iran

U.S. Treasury Secretary Scott Bessent announced a new series of sanctions against Iran, labeling them as an ‘economic D-Day’ during a press conference on Monday, August 24, 2026, at the Treasury Department in Washington ^[1][2]. The sanctions are described as the ‘single greatest financial offensive ever marshalled against an adversary’ ^[1].

The new sanctions, part of a campaign called ‘Operation Economic Outcast,’ include expanded secondary sanctions targeting countries, entities, and individuals that engage in business with Iran ^[3][4]. The U.S. aims to disrupt Iran’s economic activities by focusing on sectors such as digital assets, technology, gold, aviation, and shipping ^[4][5].

In anticipation of the sanctions, Iran’s currency, the rial, has plummeted to a record low ^[5][6]. The economic measures are designed to cut off Iran’s financial resources and exert pressure on the nation ^[3][4].

Iran has responded with strong rhetoric. Mohsen Rezaei, Secretary of Iran’s Supreme National Security Council, warned that Iran would consider any country supporting the sanctions as committing an act of war. He also threatened to halt all oil exports through the Persian Gulf ^[1][6].

What Is Known

The sanctions are part of a broader strategy by the U.S. to apply economic pressure on Iran. They target multiple sectors crucial to Iran’s economy and involve secondary sanctions to discourage international business with Iran ^[3][4].

What Remains Unclear

Details about the specific penalties against countries that continue to do business with Iran remain unconfirmed. Additionally, the full impact of these sanctions on global markets and diplomatic relations is yet to be seen ^[7].