LLMjacking Defense Guide: Restricting Stolen AI Key Abuse Across AWS, Google Cloud, and Azure

Addressing LLMjacking attacks where hackers exploit stolen cloud credentials and AI keys to rack up hundreds of thousands to millions of dollars in model usage fees on victims' bills, this article provides a defensive configuration guide across major cloud platforms. Due to billing latency in budget alerts and spending caps, tokens-per-minute (TPM) quotas serve as the only line of defense capable of hard-blocking excessive calls within minutes.