One runaway AI agent racked up a $50,000 cloud bill

Organizations are deploying autonomous AI systems that execute API calls, optimize production configurations, and analyze telemetry across hybrid cloud environments. At the same time, attacks are expanding from direct prompts to indirect prompt injection and AI supply chain compromises, blurring security boundaries. Mandiant’s latest AI Risk and Resilience report, which draws on observations from Mandiant and Google Threat Intelligence Group (GTIG), warns that a poisoned data source, model depen