Leaked API Key, Huge Cloud Bill

You set a budget alert. You went to bed. You woke up to a five- or six-figure bill from a cloud or AI provider you barely use, because a leaked API key, a hijacked account or a learning project gone wrong ran up charges all night. The number is still climbing, support has sent a form letter, and every forum thread says something different. Leaked API Key, Huge Cloud Bill: What to Do in the First 4...