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US Treasury Secretary Scott Bessent announced Operation Economic Outcast on 24 August 2026, a global campaign to cut off Iran's sources of revenue.
The campaign targets five sectors described as Iran's most vital lifelines: digital assets, technology, gold, aviation and shipping.
The Treasury simultaneously sanctioned 60 entities, vessels and individuals in countries including the UAE, Hong Kong, China, Singapore and Switzerland.
Washington has threatened secondary sanctions on foreign firms and countries that continue to deal with Iran's economic networks.
Bessent described the move as an 'economic D-Day', signalling escalation beyond conventional bilateral sanctions.
Primary sanctions bind only the persons and firms of the sanctioning country - a US primary sanction stops American entities from dealing with the target. Secondary sanctions reach further: they penalise third-country firms and banks for doing business with the target, even where that business is entirely legal under their own laws. The penalty is usually loss of access to the sanctioning country's financial system. Because most international trade is settled in dollars and clears through US-linked banks, the threat of losing dollar access is what gives a US secondary sanction global effect without requiring any other government's agreement. That is precisely the leverage Operation Economic Outcast is built on, and why the campaign is described as global rather than bilateral.
Simple Analogy: A primary sanction is a shopkeeper refusing to serve one customer. A secondary sanction is the shopkeeper telling every other customer that if they serve that person, they will be barred from the shop too.
Iran is a major oil producer, and measures that constrain its exports feed into global crude prices - a direct input into India's import bill, inflation and current account deficit.
The campaign is a live demonstration of how far secondary sanctions can reach through dollar clearing, which is part of the background to India's interest in rupee-denominated and local-currency trade settlement.
Designations against vessels and shipping networks affect freight availability and marine insurance in the Gulf, a region through which a large share of India's energy imports passes.
Escalating economic pressure on Iran raises risk around the Strait of Hormuz, the chokepoint through which a substantial share of seaborne oil, including India's, must pass.
GS Paper 2 > International Relations: effect of policies of developed countries on India's interests
General Awareness > International Economy, Sanctions and Trade Settlement
General Awareness > Current Affairs, International Events
General Awareness > Current Events
Penalties imposed on third-country persons and firms for dealing with a sanctioned target, typically enforced through denial of access to the sanctioning country's financial system.
The formal listing of an entity, vessel or individual as sanctioned, which freezes assets within the sanctioning country's jurisdiction and bars dealings with it.
The phrase used by the US Treasury Secretary to characterise the scale of the campaign, borrowing from the Second World War landings.
The narrow waterway between Iran and Oman connecting the Persian Gulf to the Gulf of Oman, through which a large share of the world's seaborne oil passes.