The U.S. financial services industry is on heightened alert for potential cyberattacks as the U.S. war in Iran develops. Companies are increasing their monitoring of threats, which often increase in times of geopolitical conflict, executives and analysts said. The killing of Iranian Supreme Leader Ali Khamenei in an airstrike last weekend sparked a conflagration across the Middle East, rattling global markets and stoking concerns about possible Iran-linked cyberattacks on U.S. financial services operations.