Countries Paying Hackers Who Find 'Zero Day' Flaws

All over the world, from South Africa to South Korea, business is booming in what hackers call “zero days,” the coding flaws in software like Microsoft Windows that can give a buyer unfettered access to a computer and any business, agency or individual dependent on one. Increasingly the businesses are being outbid by countries with the goal of exploiting the flaws in pursuit of the kind of success, albeit temporary, that the United States and Israel achieved three summers ago when they attacked Iran’s nuclear enrichment program with a computer worm that became known as “Stuxnet.”