Iran's Escalation Playbook: Strait, Gulf States, and Cyber Fronts

With Washington threatening to impose the toughest sanctions in history, Tehran is weighing a range of retaliatory options that could deepen the six-month-old Gulf crisis. The pressure campaign has raised the prospect of a new round of escalation, and Iran's strategic toolkit extends beyond the battlefield.

Oil Chokepoints

Iran's most potent lever remains its ability to disrupt global energy flows. Mohsen Rezaei, a former Revolutionary Guards chief and secretary of Iran's Supreme National Security Council, has threatened to halt all oil exports from the Persian Gulf. "If the economic war continues, not a single drop of oil will be exported, neither through the Strait of Hormuz nor from anywhere in the Persian Gulf," he said.

Already, Iranian attacks and threats have largely shut down the Strait of Hormuz, a waterway that once carried roughly a fifth of global energy supplies. While some tankers have moved through in recent weeks, volumes remain low. On Sunday, Iran blacklisted 45 tankers it said failed to comply with its rules for Hormuz shipping.

Missile, drone, or speedboat attacks on tankers have repeatedly spiked oil prices during the conflict. Tehran's Houthi allies have also restricted Red Sea shipping, threatening to blockade Saudi Arabian crude exports through the Bab el-Mandeb strait. Chinese shipping companies are now rerouting away from the area, according to industry sources. Further strikes, such as one targeting a vessel off Saudi Arabia's Yanbu terminal or a drone attack near the Suez Canal, could heighten market anxiety.

Gulf State Vulnerabilities

Iran has warned it will retaliate with "earthquake" force against any neighbour that joins U.S. efforts to strangle its economy. It has already struck Gulf states and Jordan, focusing mainly on U.S. bases but also hitting energy infrastructure. Intensified attacks on upstream oil or gas facilities could drive up energy prices, inflicting political damage on Washington and proving harder to reverse than shipping disruptions.

Targeting power and water desalination plants in the arid region would pose a major risk to U.S.-aligned Gulf monarchies, which serve as key financial hubs for the global economy.

Western Cyber Front

While Western countries are beyond the range of Iran's main munitions, the Revolutionary Guards have historically sought alternative means of attack. On Monday, Britain said Iran-linked hackers had shut down a small electricity station. U.S. officials have also said Tehran was likely behind cyber attacks on water plants in Minnesota. Iran has not commented on these allegations.

Western security services have additionally accused Iran of recruiting local operatives to stage attacks or attempt assassinations in the West, a charge Tehran denies.